Irradiation directly from the sun.
That portion of the electromagnetic spectrum immediately below the visible range and extending into the x-ray frequencies. The longer wavelengths (near-UV or biotic or vital rays) are necessary for the endogenous synthesis of vitamin D and are also called antirachitic rays; the shorter, ionizing wavelengths (far-UV or abiotic or extravital rays) are viricidal, bactericidal, mutagenic, and carcinogenic and are used as disinfectants.
Energy transmitted from the sun in the form of electromagnetic radiation.
Chemical or physical agents that protect the skin from sunburn and erythema by absorbing or blocking ultraviolet radiation.
A nutritional condition produced by a deficiency of VITAMIN D in the diet, insufficient production of vitamin D in the skin, inadequate absorption of vitamin D from the diet, or abnormal conversion of vitamin D to its bioactive metabolites. It is manifested clinically as RICKETS in children and OSTEOMALACIA in adults. (From Cecil Textbook of Medicine, 19th ed, p1406)
A vitamin that includes both CHOLECALCIFEROLS and ERGOCALCIFEROLS, which have the common effect of preventing or curing RICKETS in animals. It can also be viewed as a hormone since it can be formed in SKIN by action of ULTRAVIOLET RAYS upon the precursors, 7-dehydrocholesterol and ERGOSTEROL, and acts on VITAMIN D RECEPTORS to regulate CALCIUM in opposition to PARATHYROID HORMONE.
Tumors or cancer of the SKIN.
A plant genus of the family OLEACEAE. Oleuropein, a phenolic secoiridoid glycoside, is found in the leaves.
An injury to the skin causing erythema, tenderness, and sometimes blistering and resulting from excessive exposure to the sun. The reaction is produced by the ultraviolet radiation in sunlight.
Disorders caused by interruption of BONE MINERALIZATION manifesting as OSTEOMALACIA in adults and characteristic deformities in infancy and childhood due to disturbances in normal BONE FORMATION. The mineralization process may be interrupted by disruption of VITAMIN D; PHOSPHORUS; or CALCIUM homeostasis, resulting from dietary deficiencies, or acquired, or inherited metabolic, or hormonal disturbances.
Coloration of the skin.
The area of medicine concerned with the effects on health and disease due to geographic factors such as CLIMATE, environmental conditions, and geographic location.
The natural satellite of the planet Earth. It includes the lunar cycles or phases, the lunar month, lunar landscapes, geography, and soil.
Abnormal responses to sunlight or artificial light due to extreme reactivity of light-absorbing molecules in tissues. It refers almost exclusively to skin photosensitivity, including sunburn, reactions due to repeated prolonged exposure in the absence of photosensitizing factors, and reactions requiring photosensitizing factors such as photosensitizing agents and certain diseases. With restricted reference to skin tissue, it does not include photosensitivity of the eye to light, as in photophobia or photosensitive epilepsy.
A nonimmunologic, chemically induced type of photosensitivity producing a sometimes vesiculating dermatitis. It results in hyperpigmentation and desquamation of the light-exposed areas of the skin.
Tumors, cancer or other neoplasms produced by exposure to ionizing or non-ionizing radiation.
Divisions of the year according to some regularly recurrent phenomena usually astronomical or climatic. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)
A malignant skin neoplasm that seldom metastasizes but has potentialities for local invasion and destruction. Clinically it is divided into types: nodular, cicatricial, morphaic, and erythematoid (pagetoid). They develop on hair-bearing skin, most commonly on sun-exposed areas. Approximately 85% are found on the head and neck area and the remaining 15% on the trunk and limbs. (From DeVita Jr et al., Cancer: Principles & Practice of Oncology, 3d ed, p1471)
A plant genus of the family FABACEAE that contains LECTINS. Many members have been reclassified into other genera of the FABACEAE family.
The outer covering of the body that protects it from the environment. It is composed of the DERMIS and the EPIDERMIS.
A measure of relative protection provided by SUNSCREENING AGENTS against burns due to ultraviolet (UV) radiation from a light source.
The relationship between the dose of administered radiation and the response of the organism or tissue to the radiation.
That portion of the electromagnetic spectrum in the visible, ultraviolet, and infrared range.
A water-soluble medicinal preparation applied to the skin.
Dimers found in DNA chains damaged by ULTRAVIOLET RAYS. They consist of two adjacent PYRIMIDINE NUCLEOTIDES, usually THYMINE nucleotides, in which the pyrimidine residues are covalently joined by a cyclobutane ring. These dimers block DNA REPLICATION.
The processes by which organisms utilize organic substances as their nutrient sources. Contrasts with AUTOTROPHIC PROCESSES which make use of simple inorganic substances as the nutrient supply source. Heterotrophs can be either chemoheterotrophs (or chemoorganotrophs) which also require organic substances such as glucose for their primary metabolic energy requirements, or photoheterotrophs (or photoorganotrophs) which derive their primary energy requirements from light. Depending on environmental conditions some organisms can switch between different nutritional modes (AUTOTROPHY; heterotrophy; chemotrophy; or PHOTOTROPHY) to utilize different sources to meet their nutrients and energy requirements.
The group of celestial bodies, including the EARTH, orbiting around and gravitationally bound by the sun. It includes eight planets, one minor planet, and 34 natural satellites, more than 1,000 observed comets, and thousands of lesser bodies known as MINOR PLANETS (asteroids) and METEOROIDS. (From Academic American Encyclopedia, 1983)
The synthesis by organisms of organic chemical compounds, especially carbohydrates, from carbon dioxide using energy obtained from light rather than from the oxidation of chemical compounds. Photosynthesis comprises two separate processes: the light reactions and the dark reactions. In higher plants; GREEN ALGAE; and CYANOBACTERIA; NADPH and ATP formed by the light reactions drive the dark reactions which result in the fixation of carbon dioxide. (from Oxford Dictionary of Biochemistry and Molecular Biology, 2001)
Sulfur compounds in which the sulfur atom is attached to three organic radicals and an electronegative element or radical.
The exposure to potentially harmful chemical, physical, or biological agents in the environment or to environmental factors that may include ionizing radiation, pathogenic organisms, or toxic chemicals.
Chemical reactions effected by light.
Exposing oneself to SUNLIGHT or ULTRAVIOLET RAYS.
Redness of the skin produced by congestion of the capillaries. This condition may result from a variety of causes.
The salinated water of OCEANS AND SEAS that provides habitat for marine organisms.
Hydroxy analogs of vitamin D 3; (CHOLECALCIFEROL); including CALCIFEDIOL; CALCITRIOL; and 24,25-DIHYDROXYVITAMIN D 3.
An order of small, wingless parasitic insects, commonly known as lice. The suborders include ANOPLURA (sucking lice); AMBLYCERA; ISCHNOCERA; and Rhynchophthirina (elephant and warthog lice).
The process of aging due to changes in the structure and elasticity of the skin over time. It may be a part of physiological aging or it may be due to the effects of ultraviolet radiation, usually through exposure to sunlight.
A genus of marine planktonic CYANOBACTERIA in the order PROCHLOROPHYTES. They lack PHYCOBILISOMES and contain divinyl CHLOROPHYLL, a and b.
A plant genus of the family LILIACEAE. Members contain steroidal saponins.
Personal devices for protection of the eyes from impact, flying objects, glare, liquids, or injurious radiation.
A flavonol glycoside found in many plants, including BUCKWHEAT; TOBACCO; FORSYTHIA; HYDRANGEA; VIOLA, etc. It has been used therapeutically to decrease capillary fragility.
The major circulating metabolite of VITAMIN D3. It is produced in the LIVER and is the best indicator of the body's vitamin D stores. It is effective in the treatment of RICKETS and OSTEOMALACIA, both in azotemic and non-azotemic patients. Calcifediol also has mineralizing properties.
The visually perceived property of objects created by absorption or reflection of specific wavelengths of light.
A plant family of the order Lamiales. It is characterized by simple leaves in opposite pairs, cystoliths (enlarged cells containing crystals of calcium carbonate), and bilaterally symmetrical and bisexual flowers that are usually crowded together. The common name for Ruellia of wild petunia is easily confused with PETUNIA.
Rendering pathogens harmless through the use of heat, antiseptics, antibacterial agents, etc.
Cholesterol derivatives having an additional double bond in any position. 24-Dehydrocholesterol is DESMOSTEROL. The other most prevalent dehydrocholesterol is the 7-isomer. This compound is a precursor of cholesterol and of vitamin D3.
Use of a device (film badge) for measuring exposure of individuals to radiation. It is usually made of metal, plastic, or paper and loaded with one or more pieces of x-ray film.
The branch of biology dealing with the effect of light on organisms.
The presence of bacteria, viruses, and fungi in water. This term is not restricted to pathogenic organisms.
9,10-Secoergosta-5,7,10(19),22-tetraene-3,25-diol. Biologically active metabolite of vitamin D2 which is more active in curing rickets than its parent. The compound is believed to attach to the same receptor as vitamin D2 and 25-hydroxyvitamin D3.
Chemical bond cleavage reactions resulting from absorption of radiant energy.
Water containing no significant amounts of salts, such as water from RIVERS and LAKES.

Vitamin D status in different subgroups of British Asians. (1/1331)

To assess the effect of religious dietary practices and social customs on the vitamin D status of Asian immigrants, we kept records of the dietary intake and time spent out of doors of 81 Ugandan Asian men, women, and girls (9-19 years old). Sera were analysed for 25-hydroxycholecalciferol (25-OHD3), and 28% of the subjects were found to have levels below the lower limit of normal. The (vegetarian) Hindus had the lowest dietary intakes, least time out of doors, and lowest serum 25-OHD3. The Goan (Roman Catholic) Asians, despite more pigmentation, had 25-OHD3 levels similar to those found among indigenous British people and had the most satisfactory vitamin D intakes. Among Asians, whose exposure to sunlight may be limited, dietary vitamin D becomes the major determinant of serum 25-OHD3.  (+info)

Histologic analysis of photochemical lesions produced in rhesus retina by short-wave-length light. (2/1331)

The photopathology of retinal lesions produced by extended exposure (1000 sec) to low corneal power levels (62 microW) of blue light (441 nm) was investigated by light microscopy in 20 rhesus eyes over an interval ranging from 1 hr to 90 days after exposure. Results indicate a nonthermal type of photochemical lesion originating in the retinal pigment epithelium and leading to a histological response with hypopigmentation which requires 48 hr to appear. This type of lesion helps to explain solar retinitis and eclipse blindness and has significance for aging and degenerative changes in the retina.  (+info)

Absorption of solar radiation by an ellipsoid sensor simulated the human body. (3/1331)

Assessment of heat gain in man caused by solar radiation is one of the most important problems in research of the human heat balance outdoors. The purpose of the present study was to investigate a new method for estimation of solar heat income. Absorption of short wave radiation (direct, diffuse and reflected) was measured with an ellipsoid sensor representing a simple, physical model of man. Measurements were performed in climatic chamber with the use of an iodide CSI solar lamp. The absorbed quantity of solar radiation varied as a result of sun altitude as well as of a colour and insulation of fabric covering the ellipsoid sensor. The new coefficients derived from our investigations for estimating doses of absorbed solar radiation should be applicable for a standing man. They correlate better with mean skin temperature observed on subjects outdoor than previous results obtained based on a cylinder as an analogue model of man. The ellipsoid sensor covered by a black fabric absorbed about 6 times more of solar radiation than when covered by a white textile.  (+info)

Merkel cell carcinoma and melanoma: etiological similarities and differences. (4/1331)

Merkel cell carcinoma (MCC) of the skin and cutaneous malignant melanoma can now be compared epidemiologically through the use of population-based data not previously available for MCC. The results may provide new clues to etiology. In this study, United States data covered by the Surveillance, Epidemiology, and End Results (SEER) Program were from nine areas of the United States (approximately 10% of the population). In 1986-1994, 425 cases of MCC were registered. The annual age-adjusted incidence per 100,000 of MCC was 0.23 for whites and 0.01 for blacks; among whites, the ratio of melanoma to MCC was approximately 65 to 1. Only 5% of MCC occurred before age 50, unlike the lifelong risk of nodular and superficial spreading melanoma. Regional incidence rates of both cancers increased similarly with increasing sun exposure as measured by the UVB solar index. The most sun-exposed anatomical site, the face, was the location of 36% of MCC but only 14% of melanoma. Both cancers increased in frequency and aggressiveness after immunosuppression and organ transplantation (36 cases from the Cincinnati Transplant Tumor registry and 12 from published case reports) and after B-cell neoplasia (5 cases in this study; 13 from case series in the literature). The SEER data contained reports of six patients with both types of cancer; 5 melanomas before the diagnosis of MCC and 1 after diagnosis. MCC and melanoma are similarly related to sun exposure and immunosuppression, but they differ markedly from one another in their distributions by age, race, and anatomical site, especially the face.  (+info)

p53 mutations in human cutaneous melanoma correlate with sun exposure but are not always involved in melanomagenesis. (5/1331)

In melanoma, the relationship between sun exposure and the origin of mutations in either the N-ras oncogene or the p53 tumour-suppressor gene is not as clear as in other types of skin cancer. We have previously shown that mutations in the N-ras gene occur more frequently in melanomas originating from sun-exposed body sites, indicating that these mutations are UV induced. To investigate whether sun exposure also affects p53 in melanoma, we analysed 81 melanoma specimens for mutations in the p53 gene. The mutation frequency is higher than thus far reported: 17 specimens (21%) harbour one or more p53 mutations. Strikingly, 17 out of 22 mutations in p53 are of the C:G to TA or CC:GG to TT:AA transitional type, strongly suggesting an aetiology involving UV exposure. Interestingly, the p53 mutation frequency in metastases was much lower than in primary tumours. In the case of metastases, a role for sun exposure was indicated by the finding that the mutations are present exclusively in skin metastases and not in internal metastases. Together with a relatively frequent occurrence of silent third-base pair mutations in primary melanomas, this indicates that the p53 mutations, at least in these tumours, have not contributed to melanomagenesis and may have originated after establishment of the primary tumour.  (+info)

In situ repair of cyclobutane pyrimidine dimers and 6-4 photoproducts in human skin exposed to solar simulating radiation. (6/1331)

DNA repair is crucial to the integrity of the human genome. The ultraviolet radiation portion of solar radiation is responsible for the rising incidence of skin cancer, one of the most common types of cancer in humans. We applied a recently developed 32P-postlabeling technique to measure the in situ DNA repair efficiency of solar-simulated radiation induced cyclobutane pyrimidine dimers and 6-4 photoproducts in the skin of nine healthy volunteers with skin type II. Our results show about 6-fold interindividual variations in the level of DNA damage after exposure to an equal biologic dose - 2 minimal erythema doses. The kinetics of DNA repair indicated a base sequence dependence of the repair process. The DNA repair efficiency showed a 20-fold difference in volunteers. An age-related decrease of DNA repair capacity was observed; however, the data are limited due to a small number of subjects and a narrow age range. The variable response in DNA damage levels and individual differences in DNA repair efficiency suggest a susceptible subgroup of people probably with a higher skin cancer risk.  (+info)

Is sunlight an aetiological agent in the genesis of retinoblastoma? (7/1331)

The incidence of unilateral, but not bilateral, retinoblastoma in human populations at different geographical locations increases significantly with ambient erythemal dose of ultraviolet B radiation from sunlight. This supports the hypothesis that sunlight plays a role in retinoblastoma formation.  (+info)

Ineffective vitamin D synthesis in cats is reversed by an inhibitor of 7-dehydrocholestrol-delta7-reductase. (8/1331)

Changes in plasma 25-hydroxyvitamin D (25-OHD) were used as an index of vitamin D status of cats. Plasma 25-OHD concentration of kittens given a purified vitamin D-free diet and exposed to direct summer sun for 15 h/wk declined at a similar rate as kittens given the same diet kept indoors. Similarly, plasma 25-OHD of kittens exposed to ultraviolet (UV) lamps declined at a similar rate as kittens not exposed, and these kittens developed clinical signs of vitamin D deficiency. Eight weaned kittens were given the vitamin D-free purified diet until their plasma concentrations of 25-OHD were < 5 nmol/L. They then had the hair on their backs clipped at weekly intervals and were paired on the basis of skin color and exposed to UV light for 2 h/d. One member of each pair was given an inhibitor of 7-dehydrocholesterol (5, 7-cholestradien-3beta-ol)-delta7-reductase (EC 1.3.1.21) in the diet. Cats receiving the inhibitor had a progressive increase in 25-OHD concentration of plasma with time to 91 +/- 22 nmol/L (mean +/- SEM), whereas cats not receiving the inhibitor had plasma 25-OHD concentrations that were not detectable (P < 0.001). Biopsy samples of skin from cats receiving the inhibitor had more than five times the concentration of 7-dehydrocholesterol (P < 0.001) than the skin of control cats. Low concentration of 7-dehydrocholesterol (presumably due to high activity of the reductase) in the skin of cats is the major impediment to effective vitamin D synthesis. Analysis of wild caught potential prey of cats indicated that these animals could supply adequate vitamin D to meet the requirement of growing kittens.  (+info)

The Sunlight On The Garden by Louis Macneice. .The sunlight on the garden Hardens and grows cold We cannot cage the minute Within its nets of gold When all is told We cannot beg for pardon. Our . Page
I Live in Upstate NY and have to redo a small garden in the front of my house. It receives direct sunlight from around 11:00 in the morning until 6 or 7 in the evening. The soil is an average type soil (somewhat on the dry side) that has been mixed with peat moss over the years. I would like to plant several small bushes with some ground cover and flowers. Do you have any suggestions on what types of shrubs, ground cover and flowers would grow in the direct sunlight. The area is approximately 6 x 20. Thanks for your advice ...
Dr. Elizabeth Cahoon presents an overview on solar ultraviolet radiation (UVR) dosimetry and epidemiology and its public health importance. (Radiation Epidemiology and Dosimetry Course 2019)
epub Stratospheric Ozone Reduction, Solar Ultraviolet Radiation and Plant Life only to be the connection and get parents of Astro Fibonacci planets. technology not to delight how to start grains regression for past payment. astrological Motion proves a small astro for rates and topics.
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In 1929, architect Richard Neutra built the famous Health House in the Hollywood Hills of Los Angeles. His brief was to design a home that strengthened the health and well-being of its owner, Dr. Philip Lovell. The Health House provided Dr. Lovell with access to plenty of sunlight and fresh air. Such thinking informed the work of other architects of the period, such as Le Corbusier. In his influential manifesto The Athens Charter, Le Corbusier argued bringing in the sun was the architects new and most urgent duty.. However, many years before Neutra and Le Corbusier - and before the effects of sunlight exposure were investigated scientifically - Florence Nightingale had already identified sunlight as key to promoting health in hospitals. She wrote:. Direct sunlight, not only daylight, is necessary for speedy recovery, except, perhaps in certain ophthalmic and a small number of other cases.. Florence Nightingale insisted on sunlight because she believed it helped her patients get better and ...
Vegetables That Dont Need Full Sunlight. Just as sleep is vital for people, sun is vital for vegetables. All vegetables require partial sun, with many requiring nothing less than full sun. Those that can tolerate partially shady conditions may produce a yield smaller than if they were grown in full sun. During ...
This is the first study to establish a link between the season of initiating interferon/ribavirin-based therapy for CHC and viral response to treatment. Our results suggest that viral response to treatment was influenced by the hours of sunlight, and by inference, sunlight exposure, a surrogate marker of vitamin D levels.. The most striking finding in our cohort of patients from different latitudes was that a different viral response was observed according to the season of initiating peginterferon/ribavirin-based treatment. In fact, patients starting treatment during the season with the highest daily hours of sunlight, according to the State Meterological Agency,17 showed the highest rate of RVR. We believe our findings are coherent for different reasons. First, the rate of viral response correlated well with the effectiveness of treatment since the largest difference in the response pattern was observed in patients receiving lead-in therapy instead of direct-acting antiviral agents from the ...
The purpose of this study was to examine the effects of summer sun exposure on serum 25-hydroxyvitamin D [25(OH)D], calcium absorption fraction, and urinary calcium excretion. Subjects were 30 healthy men who had just completed a summer season of extended outdoor activity (e.g. landscaping, construc …
Indoor Plants That Will Tolerate Direct Sunlight. Houseplants add life and color to any home, but if yours has a sunroom, porch or large windows, you need to choose sunlight-loving varieties. Ignore this step and you will see your hopes for lush, healthy plants wither. When shopping for a new home, or designing one to ...
Does being in the sun at the beach or playing sports in the sun in the , heat affect insulin ? Ginny who Has to stay out of the sun. ----- Yes, the sun will affect insulin. First there is the heat from the sun which will affect its viability. Then there is the effect of the sunlight on the cresol preservative, not on the insulin crystals. The sunlight tends to turn the cresol a not-lovely shade of brown. I guess Lilly Co. figures no one wants to inject a brown insulin, so they warn us to avoid sunlight on insulin. George ---------------------------------------------------------- for HELP or to subscribe/unsubscribe, contact: [email protected] send a DONATION http://www.Insulin-Pumpers.org/donate.shtml ...
Save On Prescription Drugs Online Or By Mail Order. Discreet Packaging Via Recorded Delivery. Great Prices For Bulk Orders. Lisinopril Direct Sunlight.
Objectives Preventable risk factors for prostate cancer are poorly understood; sun exposure is a possible protective factor. The goal of this study was to investigate prostate cancer risk in outdoor workers, a population with high sun exposure. Methods Prostate cancer cases and controls from a large study (conducted between 1994 and 1997) were used for this analysis. A job exposure matrix ( JEM) was used to assign solar ultraviolet radiation (UVR) at work as moderate (2 to ,6 hours outside/day) or high (≥6 hours). Average daily satellite UV-B measures were linked to the latitude/longitude of the residences of each participant. Several other exposure metrics were also examined, including ever/never exposed and standard erythemal dose by years (SED×years). Logistic regression was used to evaluate the association between solar UVR exposure and the odds of prostate cancer. Results A total of 1638 cases and 1697 controls were included. Men of Indian and Asian descent had reduced odds of prostate ...
Outdoor solar lights use the energy provided by sunlight to charge preinstalled batteries. Most have sensors that will turn the light on automatically when the sun begins to go down and off when the sun comes up. Some solar lights are mounted on ground spikes or stakes, and others are simply placed on the ground.
Many outdoor workers are exposed to dangerous levels of ultraviolet radiation, sometimes over many years. If not detected early enough, sun damage can lead to fatal cancers. The problem in Victoria is very serious. According to the Cancer Council Victoria,Australia and New Zealand have the highest rates of melanoma in the world. More than 10,000 people are diagnosed with melanoma in Australia every year. Melanoma of the skin is the fourth most common cancer in both men and women. It accounts for 10 per cent of all cancer diagnoses. One in 19 Australians will be diagnosed with melanoma before age 85, and it is the most common type of cancer in young Australians aged 15 to 44 (20 per cent of all cases). The National Hazard Exposure Worker Surveillance: Exposure to direct sunlight and the provision of sun exposure controls in Australian workplaces report undertaken by Safe Work Australia in 2010 focused on the exposure of Australian workers to direct sunlight and the control measures that were ...
Not only does adequate sunlight exposure result in the production of vitamin D, a hormone-like substance that regulates over 2,000 genes in the human body -- and as a result prevents or ameliorates hundreds of vitamin D deficiency associated health conditions -- but sunlight exposure itself has a unique set of health benefits not reducible to simply vitamin D production alone. One of the more interesting studies performed on sunlight exposure, based on data gathered from over 100 countries and published earlier this year in the journal Anticancer Research, showed that there was a strong inverse correlations with solar UVB for 15 types of cancer, with weaker, though still significant evidence for the protective role of sunlight in 9 other cancers. Here are some additional benefits of sunlight exposure: ...
Objective: Although bipolar disorder has high heritability, the onset occurs during several decades of life, suggesting that social and environmental factors may have considerable influence on disease onset. This study examined the association between the age of onset and sunlight at the location of onset. Method: Data were obtained from 2414 patients with a diagnosis of bipolar I disorder, according to DSM-IV criteria. Data were collected at 24 sites in 13 countries spanning latitudes 6.3 to 63.4 degrees from the equator, including data from both hemispheres. The age of onset and location of onset were obtained retrospectively, from patient records and/or direct interviews. Solar insolation data, or the amount of electromagnetic energy striking the surface of the earth, were obtained from the NASA Surface Meteorology and Solar Energy (SSE) database for each location of onset. Results: The larger the maximum monthly increase in solar insolation at the location of onset, the younger the age of ...
There is some very active discussion in blogworld about stitching recent solar irradiance records between satellites, which may interest some CA readers. http://inel.wordpress.com/2007/07/11/royal-society-proceedings-a-lockwood-frohlich/ http://tamino.wordpress.com/2007/07/24/pmod-vs-acrim/ http://icecap.us/ http://icecap.us/images/uploads/Lockwood_and_Frolich_Review.pdf http://motls.blogspot.com/2007/07/nir-shaviv-why-is-lockwood-and-frohlich.html
Photocatalytic degradation of phenol in water under simulated sunlight by an ultrathin MgO coated Ag/TiO2 nanocomposite - Texas A&M University (TAMU) Scholar profile, educations, publications, research, recent courses, and student works
Read Photocatalytic properties of BiVO4 synthesized by microwave-assisted hydrothermal method under simulated sunlight irradiation, Research on Chemical Intermediates on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.
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The image above shows the umbra and penumbra as commonly illustrated in astronomy books. The sun is not a point source of light but a sphere much larger than the Earth. Rays of light depart in all directions from any point on its surface, to the effect that there is a conical volume of space behind the Earth where the rays cannot reach, or, in other words, from where an observer can see no part of the apparent disk of the sun. That conical volume of space is the umbra , simply meaning shadow in Latin. Around it there is an area from which an observer can see part of the suns disk, so that area receives some direct sunlight, but not full sunlight: the penumbra (nearly shadow). Everywhere else receives full sunlight. The length of the umbra cone depends on the diameters of the Sun and the Earth and the distance between them, as a few minutes experimenting with some sketches will show you ...
A novel class of photocatalytic coating capable of degrading bacterial and chemical contaminants in the presence of visible sunlight wavelengths was produced by depositing a stable photocatalytic TiO2 film on the internal lumen of glass bottles via a sol gel method. This coating was prepared in either undoped form or doped with nitrogen and/or copper to produce visible light-active TiO2 films which were annealed at 600 °C and were characterized by Raman, UV-Vis, and X-ray photoelectron spectroscopy. The presence of doped and undoped TiO2 films was found to accelerate the degradation of methylene blue in the presence of natural sunlight, while copper-doped TiO2 films were found to accelerate bacterial inactivation (of E. coli and E. faecalis) in the presence of natural sunlight.
Where c is the atmospheric extinction and m is the relative optical airmass . The atmospheric extinction brings the number of lux down to around 100,000.. The total amount of energy received from the Sun at the zenith depends on the distance to the Sun and thus on the time of year. It is about 3.3% higher than average in January and 3.3% lower in July (see below). If the extraterrestrial solar radiation is 1367 watts per square meter (the value when the Earth-Sun distance is 1 astronomical unit ), then the direct sunlight at Earths surface when the Sun is at the zenith is about 1050 W / m 2 , but the total amount (direct and indirect from the atmosphere) hitting the ground is around 1120 W / m 2 . [5] In terms of energy, sunlight at Earths surface is around 52 to 55 percent infrared (above 700 nm)), 42 to 43 percent visible (400 to 700 nm), and 3 to 5 percent ultraviolet (below 400 nm). [6] At the top of the atmosphere, sunlight is about 30% more intense, having about 8% ultraviolet (UV), [7] ...
where c is the atmospheric extinction and m is the relative optical airmass. The atmospheric extinction brings the number of lux down to around 100 000.. The total amount of energy received at ground level from the Sun at the zenith depends on the distance to the Sun and thus on the time of year. It is about 3.3% higher than average in January and 3.3% lower in July (see below). If the extraterrestrial solar radiation is 1367 watts per square meter (the value when the Earth-Sun distance is 1 astronomical unit), then the direct sunlight at Earths surface when the Sun is at the zenith is about 1050 W/m2, but the total amount (direct and indirect from the atmosphere) hitting the ground is around 1120 W/m2.[5] In terms of energy, sunlight at Earths surface is around 52 to 55 percent infrared (above 700 nm), 42 to 43 percent visible (400 to 700 nm), and 3 to 5 percent ultraviolet (below 400 nm).[6] At the top of the atmosphere, sunlight is about 30% more intense, having about 8% ultraviolet ...
By Marc Sorenson, Sunlight Institute. In a scientific paper, Dr. MS Razzaque shows that there may be some downsides to vitamin D supplementation, including cardiovascular events and beyond. He also states that since hypovitaminosis D status usually reflects reduced sunlight exposure, the obvious primary replacement should be safe sunlight exposure, and not exogenous supplements.. The paper specifically mentions that avoiding sunlight exposure may influence the initiation and progression of different types of tumors [cancer], high blood pressure, type 1 diabetes and multiple sclerosis. It also points out that there may be some deleterious consequences of vitamin D supplementation, although in my opinion, the dosage would need to by quite high.. As I have indicated in many of my posts on the Sunlight Institute site, sun exposure is the most natural way to obtain vitamin D, and it has no toxicity, since it is self-regulated.. What wasnt mentioned was the production of health-promoting ...
News The latest news about sun exposure, Vitamin D, the benefits of sunlight, and general sun health from the Sunlight Institute.
Chances are, you remember some of the basics from high school science classes. Plants require a mix of sunlight, soil, and water to grow. They pull nutrients from the soil and convert sunlight into usable energy. This energy sustains the plants metabolism the same way food sustains our metabolisms.. But plants are extremely diverse, and what works for one may not work for another. Different species need different ratios of sun to shade and water. Too much sunlight can scorch a temperate species, while too much water can drown a desert species.. Most gardens need around eight hours of direct sunlight per day. If you live in an area thats often overcast, thats okay! As long as youre planting native species, the plants should be able to thrive regardless.. Where plants have trouble is when an area is too shady or too sunny. Some species naturally grow in the shadow of tall trees and shrubs, shielded from most direct sunlight. Others require extensive daily sun exposure to avoid ...
TY - CHAP. T1 - Decontamination of water by solar irradiation. AU - Malato, Sixto. AU - Maldonado, Manuel I.. AU - Fernández, Pilar. AU - Oller, Isabel. AU - Polo, Inmaculada. PY - 2014/1/1. Y1 - 2014/1/1. N2 - Humankind has been changing, contaminating, and polluting their environment since the Paleolithic era. This first type of pollution was air pollution through the use of fire (Spengler and Sexton, 1983). Later, in the Bronze Age and Iron Age, the forging of metals produced significant air and soil pollution as can be seen in glacial core samples in Greenland (Honget al., 1996). As early as the 9th century, Arab and Persian scientists have written about pollution and waste handlings (Gari, 2002). The industrial revolution in the 19th century led to the environmental pollution, as we know it today with its new industries and the enormous consumption of coal and oil, which lead to air pollution and the discharge of chemicals and industrial wastes into waterways (streams and rivers). After ...
Read Effect of 3D ZnO:Fe morphology on the photocatalytic activity under solar irradiation, Research on Chemical Intermediates on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.
The MoO3 coated ZnO photocatalysts were synthesized for the optimum harvesting of the absorbed ultraviolet sunlight photons by initially permeating Mo6+ ions at the surface of pre-synthesized ZnO and finally transformed to MoO3 by thermal treatment in the air. The absorption spectra of the synthesized powders revealed the extension of the absorption edge in the visible region whereas, the photoluminescence spectroscopy established the supporting role of the MoO3 coating in gradually plummeting the excitons recombination. The growth of additional peaks in Raman as well as X-ray photoelectron spectra and the appearance of the corresponding low-intensity reflection substantiated the surface prevalence of MoO3. The absence of the individual particles of MoO3 in FESEM and the verification of coated layer by HRTEM images validated the authenticity of the adopted synthetic route. The electrochemical evaluation of the synthesized powders under illumination revealed the complete elimination of ...
One of the most common causes of a plant struggling in the garden is not enough, or too much, sunlight. It?s important to know how the sunlight changes over the course of the spring and summer. As trees leaf out and the suns angle changes, what was once a full sun area in spring may be part shade by midsummer.. A new tool can help you determine the amount of sunlight that different areas of your yard are receiving. The SunCalc sunlight calculator is a battery-powered tool that records the amount of sunlight over a 12-hour period. The photo-receptive diode registers how much sunlight has accumulated and signals whether the area is in full or part sun, part shade or full shade. Full sun is defined as 6 or more hours of direct sunlight. Part sun is defined as 4 to 6 hours, part shade is 1-1/2 to 4 hours, and full shade is less than 1-1/2 hours. SunCalc works even on cloudy days. If used over a number of months, it can give a good estimation of the sun exposure in various gardens and help you ...
The following is a list of cities by sunshine duration. Sunshine duration is a climatological indicator, measuring duration of sunshine in given period (usually, a day or a year) for a given location on Earth, typically expressed as an averaged value over several years. It is a general indicator of cloudiness of a location, and thus differs from insolation, which measures the total energy delivered by sunlight over a given period. Sunshine duration is usually expressed in hours per year, or in (average) hours per day. The first measure indicates the general sunniness of a location compared with other places, while the latter allows for comparison of sunshine in various seasons in the same location. Another often-used measure is percentage ratio of recorded bright sunshine duration and daylight duration in the observed period. An important use of sunshine duration data is to characterize the climate of sites, especially of health resorts. This also takes into account the psychological effect of ...
Sunlight is an additional source of vitamin D. It is important as dietary sources of vitamin D are few. Ideally we should get 90% of our daily vitamin D requirement from sunlight. UV rays in sunlight convert a type of cholesterol found in the skin to vitamin D. Modern lifestyle has limited our exposure to the sun. There are many variables that affect the ability of the skin to produce vitamin D. As a result it is difficult to recommend how much sunlight is enough. Most authorities recommend between 5 to 30 minutes of sun exposure to your unprotected face, arms, legs or back between 11 am and 3 pm two to three times a week. Early morning or late evening sunlight does not work as UV rays are not able to penetrate the atmosphere. Ability to produce vitamin D also depends on the colour of the skin. Fair skin people need less sunlight than darker ones in whom melanin (skin pigment) restricts entry to UV rays. Exposure to sunlight should be direct as UV rays are restricted by glass (window panes) and ...
Sunlight is recognized as one of the most important environmental factors that influence human health. There is strong evidence in the scientific literature that adequate exposure to sunlight is associated with many physical and mental health benefits, including reduced overall mortality, prevention of many deadly forms of cancer, as well as a number of metabolic, cardiovascular, autoimmune, infectious and neuropsychatric diseases. Vitamin D deficiency, which is mainly due to insufficient exposure to sunlight, is now one of the most common medical conditions, estimated to affect more than a billion people worldwide. Health professionals, patients and the general public should receive more evidence-based information about the many health benefits of sunlight, and how to use it in prevention and treatment of disease.. ...
40% of U.S. population chronically deficient in vitamin D due to lack of sunlight exposure, says Dr. Michael Holick, author of UV Advantage
The Giotto and Vega missions gave planetary scientists their first view of Halleys surface and structure. Like all comets, as Halley nears the Sun, its volatile compounds (those with low boiling points, such as water, carbon monoxide, carbon dioxide and other ices) begin to sublime from the surface of its nucleus.[49] This causes the comet to develop a coma, or atmosphere, up to 100,000 km across.[3] Evaporation of this dirty ice releases dust particles, which travel with the gas away from the nucleus. Gas molecules in the coma absorb solar light and then re-radiate it at different wavelengths, a phenomenon known as fluorescence, whereas dust particles scatter the solar light. Both processes are responsible for making the coma visible.[13] As a fraction of the gas molecules in the coma are ionized by the solar ultraviolet radiation,[13] pressure from the solar wind, a stream of charged particles emitted by the Sun, pulls the comas ions out into a long tail, which may extend more than 100 ...
We have shown that anthropogenic forcings do not polynomially cointegrate with global temperature and solar irradiance. Therefore, data for 1880-2007 do not support the anthropogenic interpretation of global warming during this period. This key result is shown graphically in Fig. 3 where the vertical axis measures the component of global temperature that is unexplained by solar irradiance according to our estimates. In panel a the horizontal axis measures the anomaly in the anthropogenic trend when the latter is derived from forcings of carbon dioxide, methane and nitrous oxide. In panel b the horizontal axis measures this anthropogenic anomaly when apart from these greenhouse gas forcings, it includes tropospheric aerosols and black carbon. Panels a and b both show that there is no relationship between temperature and the anthropogenic anomaly, once the warming effect of solar irradiance is taken into consideration. ...
A combination of sensor calibration error and uncertainty in the solar irradiance can cause very large errors in the computations of the water radiance contribution to the Coastal Zone Color Scanner (CZCS)-measured radiances. This is especially true when the atmospheric correction algorithm is applied in a horizontally inhomogeneous atmosphere. These possible errors can be considerably reduced through spectral measurements of the aerosol optical thickness and upwelled subsurface radiances coincident with a CZCS overpass on a very clear day. For future instruments it is suggested that provision be made for the sensor to view solar irradiance in diffuse reflection. The analysis presented shows that with such a system the error is reduced to a level even below that which would be applicable if the solar irradiance were known precisely.. © 1981 Optical Society of America. Full Article , PDF Article ...
A small excerpt from the Scientific Overview:. There is a lot of confusion caused by different public health messages that are often one-sided and focus mainly on the adverse effects while completely neglecting any health benefits of moderate and responsible exposure to UV radiation. Actually, many scientists agree, that if practiced in moderation and especially avoiding sunburn, the health benefits far outweigh the adverse effects! Furthermore, in a professional studio, sunbeds provide the advantage of being in a controlled environment in comparison to sunlight exposure. An often overlooked fact is also, that the sun and sunbeds provide other health benefits besides the mainly mentioned vitamin D synthesis. Exposure to UV radiation is also releasing nitric oxide in the skin which has a vasodilative effect on the blood vessels and therefore decreases hypertension and the risk for other cardiovascular diseases. Other mediators include serotonin, beta-endorphin, among others, which contribute to ...
First of all, babies rarely need vitamin D supplements. The babies who do need these supplements need them due to a lack of sufficient sunlight. Factors that put your breastfed baby at risk for vitamin D deficiency (rickets) are: • Baby has very little exposure to sunlight. For example: if you live in a far northern latitude, if you live in an urban area where tall buildings and pollution block sunlight, if baby is always completely covered and kept out of the sun, if baby is always inside during the day, or if you always apply high-SPF sunscreen. • Both mother and baby have darker skin and thus require more sun exposure to generate an adequate amount of vitamin D. Again, this is a not enough sunlight issue - the darker your skin pigmentation, the greater the amount of sun exposure needed. There is not much information available on how much more sunlight is needed if you have medium or darker toned skin. See the section below regarding amount of sunlight needed. • Mother is deficient in ...
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The effect of three moisture levels and three shade regimes on the growth of D x P ex Kusi oil palm seedlings was investigated at the Oil Palm Research Institute, Kusi between July 1998 and February 2000 in a factorial experiment laid out in randomized complete block design with four replications. The moisture treatments investigated were W1 (50-60 % field capacity), W2 (65-75 % field capacity) and W3 (80-90 % field capacity). The shade treatments investigated were S1 (0 % shade), S2 (50 % shade) and S3 (75 % shade). Data was collected on leaf number per plant, plant height, butt circumference and leaf area as well as dry weight of plant parts and total dry matter. There were significant effects due to shade and shade x moisture interactions on seedling growth. Seedlings under 50% shade (50% full sunlight) in combination with low moisture supply (50-60% field capacity) were comparable in growth to those under 0% shade (100% full sunlight) with high moisture supply (80-90% field capacity). During ...
It appears that the plant is suffering from a lack of sufficient sunlight. It should be exposed to at least four hours of direct sunlight daily to ensure robust growth.. Read more at straitstimes.com.
Incidental Sun Exposure. This is the kind of sun exposure that you are barely aware of, which accumulates over the years from relatively brief everyday activities. For example, individuals are exposed to the sun when walking dogs, waiting for the bus, or walking to and from the car. Everyday incidental exposure adds up and can seriously damage the skin over time.. Cumulative, incidental sun exposure is linked to squamous cell carcinoma (SCC), the second most common skin cancer. An estimated 700,000 cases are diagnosed each year in the US, resulting in approximately 2,500 deaths.. Incidental sun exposure also contributes to basal cell carcinoma. Almost all basal cell carcinomas occur on parts of the body subject to chronic sun exposure - especially the face, ears, neck, scalp, shoulders, and back. BCCs are rarely fatal, but can be highly disfiguring if allowed to grow.. Protect Yourself. The Skin Cancer Foundation recommends that everyone develop a year-round sun protection regimen to reduce the ...
The reason is that you have sunburned eyes. The UV and UVB in the sunlight not only pose great danger to our skin and eventually cause skin cancer, but also lead to sunburned eyes. To protect the eyes, the lenses of adults will absorb a specific amount of UV radiation and near-UV. But being exposed to sunlight or strong glare for too long will break the natural defense. So your eyes will have burning or gritty sensation. Blurred vision or snow blindness may also happen to you. You will not feel uncomfortable when the sunburn happens to you. Instead, you will have the feeling several hours later. After being burned, your eyes will recover in a week or more on their own. However, if your eyes get burned repeatedly, you are prone to have scar tissue in eyes and cataracts. For the sake of your eyes, wear a pair of sunglasses next time when you are in the sunlight.
Solar power harnesses the energy of the sun to run some of the things that most of us use in our daily lives. Solar is an important form of alternative energy that is gaining customers and the attention of businesses.
Desert Sunlight Solar Farm[edit]. The Desert Sunlight Solar Farm is a 550 megawatt (MWAC) photovoltaic power station ... FirstSolar.com Desert Sunlight Solar Farm *^ Spain Pioneers Grid-Connected Solar-Tower Thermal Power p. 3. Retrieved December ... and consume no fuel other than sunlight. Some groups are also encouraging more distributed generation, or rooftop solar.[5] ... and the Mojave Desert receives up to twice the sunlight received in other regions of the country. This abundance of solar ...
This site became Port Sunlight where he built his works and a model village to house its employees. From 1888, Port Sunlight ... by William Powell Frith to promote the Sunlight soap brand.[3] In 1922 he founded the Lady Lever Art Gallery at Port Sunlight ... Port Sunlight[edit]. In 1887, Lever bought 56 acres (230,000 m2) of land on the Wirral in Cheshire between the River Mersey and ... Macqueen, Adam (2005). The King of Sunlight: How William Lever Cleaned Up the World. Transworld Publishers Limited. ISBN 978-0- ...
Sunlight: Tea that is exposed to sunlight dries out prematurely, and often becomes bitter. ... Raw pu'er can be ruined by storage at very high temperatures, or exposure to direct contact with sunlight, heavy air flow, ...
Sunlight acts as a bleach through a process leading to similar results: high energy photons of light, often in the violet or ... "Sunlight". How Things Work Home Page. Archived from the original on 11 May 2013. Retrieved 23 February 2012 ...
Sunlight acts as a bleach through a similar process. High energy photons of light, often in the violet or ultraviolet range, ... As sunlight enters the ice, more light of the red spectrum is absorbed, so the light scattered will be bluish.[36] ... When white sunlight enters snow, very little of the spectrum is absorbed; almost all of the light is reflected or scattered by ... Hyams Beach, New South Wales appears white because the sunlight is reflected or scattered by the quartz or limestone sand ...
Sunlight. Brian McFadden. Irish Son. Set in Stone. Wall of Soundz. The Irish Connection. ...
"Sunlight". National Cancer Institute. 29 April 2015. Retrieved 8 June 2019.. *^ "Cancer prevention". WHO. Retrieved 8 June 2019 ... Holick MF (January 2013). "Vitamin D, sunlight and cancer connection". Anti-Cancer Agents in Medicinal Chemistry. 13 (1): 70-82 ... not eating too much processed and red meat and avoiding too much sunlight exposure.[14][15] Early detection through screening ... mostly from sunlight.[56] Sources of ionizing radiation include medical imaging and radon gas.[56] ...
Sunlight Organic compounds (photoheterotrophs) or carbon fixation (photoautotrophs) Cyanobacteria, Green sulfur bacteria, ...
Sunlight acts as a bleach through a process leading to similar results: high energy photons of light, often in the violet or ... "Sunlight". How Things Work Home Page. Retrieved 2012-02-23.. *^ a b Jakob, U.; J. Winter; M. Ilbert; P.C.F. Graf; D. Özcelik ( ...
Port Sunlight.[1] Another device in assigning military symbols is in honor of the person that had devised the agent, such as ...
Sunlight Ace. Cruise carriers[edit]. *Nippon Maru. *Fuji Maru. Ferries and domestic transportation[edit]. *Blue Diamond ...
Sunlight bungalow: The unit is located at A46 Kamunting Road (Malay: Jalan Kamunting). It is about 50 meters from "Moonlight" ... Sunlight bungalow. The double-storied mansion was once used by a British company to house its staff. The pre-War abode is ... "Sunlight" mansion (A46), "Unit A43", the "Lee Villa" (A44) and the Lutheran Mission Home (A45). ...
Natural sunlight in the right levels is always going to be superior to artificial sources, but this might not be possible for ... Sunlight in space at the top of Earth's atmosphere (see solar constant) is composed of about 50% infrared light, 40% visible ... At ground level with the sun at zenith, sunlight is 44% visible light, 3% ultraviolet, and the remainder infrared.[21][22] Of ... There is no doubt that a little sunlight is good for you! But 5 to 15 minutes of casual sun exposure of hands, face and arms ...
If people cannot get sunlight, then they will need 1,000 IU of vitamin D per day to stay healthy.[43] A person would have to ... Sunlight in space at the top of Earth's atmosphere (see solar constant) is composed of about 50% infrared light, 40% visible ... Natural sunlight in the right levels is always going to be superior to artificial sources, but this might be possible for ... Sunlight. eds. P.Saundry & C.Cleveland. Encyclopedia of Earth. Archived 19 October 2013 at the Wayback Machine. ...
The first proposal to connect Birkenhead and Liverpool by a rail tunnel was made in 1864 by the Liverpool and Birkenhead Railway Company. The bill received the support of the chairman of the Mersey Docks and Harbour Board and of John Laird, the Member of Parliament for Birkenhead at the time, although ultimately it was unsuccessful due to strong opposition from the LNWR.[44] A second tunnel proposal was made in 1865 by Sir Charles Fox who planned to build a single track pneumatic railway under the Mersey between the two settlements. The Mersey Railway Act was passed in 1866 although the project was hindered with knowledge of engineering difficulties and limitations with pneumatic railways in other parts of the country.[45][46] On 22 December 1869, Fox held a meeting with Liverpool businessmen and merchants where it was decided that the pneumatic single track railway would be substituted with a conventional steam double track line. Powers for the Mersey Railway Company to build a steam railway ...
Andromeda (Museum label). Port Sunlight: Lady Lever Art Gallery.. *^ a b c Farr 1958, p. 57. ...
Vitamin D/Sunlight *Because most human cells and tissues have receptors for vitamin D, including T and B cells, adequate levels ... Holick, Michael (December 2004). "Sunlight and vitamin D for bone health and prevention of autoimmune diseases, cancers, and ... patients are advised to avoid sunlight which may be responsible for vitamin D deficiency seen in this disease.[32][33][34] ...
"Fixed Fortunes: Biggest Corporate Political Interests Spend Billions, Get Trillions." Sunlight Foundation Blog. Sunlight ...
sensitivity to sunlight. *a "butterfly" facial rash, seen in about half people with SLE ...
Exposure to sunlight. When exposed to the ultraviolet rays of sunlight, many explosive compounds containing nitrogen groups ...
1978 - Sunlight. *1978 - Direct Step. *1978 - An Evening With Herbie Hancock & Chick Corea: In Concert ...
Sunlight (1978). *Monster (1979). *Mr. Hands (1980). *Magic Windows (1980). *Quartet (1981) ...
Sunlight Peak, 14,059 ft. *Pigeon Peak, 13,972 ft. *Vestal Peak, 13,864 ft (Grenadier Range) ...
Sunlight Everbright Life (50%). *Everbright Securities (indirect control). *China Everbright Bank (jointly control) ...
"Sunlight to jet fuel". The ETH Zurich. Eidgenössische Technische Hochschule Zürich. Retrieved 15 May 2015.. ...
Keep away from sunlight. You must be 54" tall to ride this ride. Disconnect spark plug wire before servicing. Keep away from ...
The common grackle forages on the ground, in shallow water or in shrubs; it will steal food from other birds. It is omnivorous, eating insects, minnows, frogs, eggs, berries, seeds, grain and even small birds and mice. Grackles at outdoor eating areas often wait eagerly until someone drops some food. They will rush forward and try to grab it, often snatching food out of the beak of another bird. Grackles prefer to eat from the ground at bird feeders, making scattered seed an excellent choice of food for them. In shopping centers, grackles can be regularly seen foraging for bugs, especially after a lawn trimming.. Along with some other species of grackles, the common grackle is known to practice "anting", rubbing insects on its feathers possibly to apply liquids such as formic acid secreted by the insects.. This bird's song is particularly harsh, especially when these birds, in a flock, are calling. Songs vary from year-round chewink chewink to a more complex breeding season ooo ...
Heliophobia/heliophobic - aversion to sunlight. *Hydrophobia/hydrophobic - a property of being repelled by water ...
Sunlight provides the energy that green plants use to create sugars mostly in the form of starches, which release energy into ... A simple thermal source is sunlight, the radiation emitted by the chromosphere of the Sun at around 6,000 kelvins (5,730 ... Beam of sun light inside the cavity of Rocca ill'Abissu at Fondachelli Fantina, Sicily ... of sunlight energy that reaches the ground is visible.[19] Another example is incandescent light bulbs, which emit only around ...
Photodistributed: in places where sunlight reaches. *Zosteriform or dermatomal: associated with a particular nerve ...
Interested in following along with our work? Sign-up below to join a mailing list and get updates about our work (sunlightfoundation.com/web-integrity-project ...
... provides outpatient, behavioral health, assessment & treatment services. We have both clinical and ... Sunlight Center for Change (SCC) is an outpatient assessment and treatment center. We are dedicated to providing collaborative ...
Sunlight Exposure. This indicator provides state and county level data on monthly and annual average exposure to sunlight. ... Sunlight/UV Vulnerability and Preparedness. This indicator provides state-level data on laws regarding sunscreen use in schools ... Tracking sunlight and UV exposures in a standard way can help us identify regions of high exposure and to track trends over ... The Tracking Network includes data on exposure to sunlight and UV in the United States. These data come from Emory Universitys ...
Filed Under: acta, copyright, national security, secrecy, state secrets, sunlight, trade agreements ... Filed Under: acta, copyright, criminal, non-commercial use, secrecy, sunlight, trade agreements ... various folks are working hard to at least shine some sunlight on the details. Michael Geist discusses what hes been able to ... about backroom deals on intellectual property treaties bypassing an open legislative process have been demanding more sunlight ...
Sunlight is said to be the best of disinfectants, Louis Brandeis famously observed, electric light the most efficient ... "Sunlight is said to be the best of disinfectants," Louis Brandeis famously observed, "electric light the most efficient ... Lobbyists did this by training themselves not to think of sunlight as a disinfectant that threatened their livelihood, but ...
... explains basic aspects of ozone formation and provides a sample set of chemical reactions involved in ... Chemistry in the Sunlight *Introduction *Ozone, Space, and Time *Chemistry of Ozone Formation Related Articles: *Stratospheric ... Sunlight splits nitrogen dioxide into nitric oxide and an oxygen atom. A single oxygen atom then combines with an oxygen ... Sunlight can readily split ozone into an oxygen molecule and an individual oxygen atom. When an electronically excited oxygen ...
Theres no need for the service to take further action. If this service has not had a CQC inspection since it registered with us, our judgement may be based on our assessment of declarations and evidence supplied by the service ...
At the California Institute of Technology, theyre developing a way to turn sunlight and water into fuel for our cars, ... Turning sunlight into fuel. Two Caltech scientists lead an effort in California, called JCAP, to perfect a clean, cheap energy ... Lewis: We capture the energy from sunlight in tiny fibers, arranged like fibers on a carpet or blades of grass on a lawn, that ... "At the California Institute of Technology, theyre developing a way to turn sunlight and water into fuel for our cars," ...
See an archive of all sunlight jr. stories published on the New York Media network, which includes NYMag, The Cut, Vulture, and ... Norman Reedus on Sunlight Jr. and The Walking Deads Daryl and Michonne "Shes cute. They would have really good sex, I bet." ...
Sulphonamide Sunlight Eruptions. Br Med J 1942; 2 doi: https://doi.org/10.1136/bmj.2.4262.308 (Published 12 September 1942) ...
... Calotype process. Negative 1 Under red lighting best quality writing paper is dipped in weak silver nitrate ... Tags: Best Quality, Bright Sunlight, Light Proof, Pdf, Potassium Iodide, Potassium Iodide Solution, Red Light, Red Lighting, ...
Thus, sunheat and sunlight are the results of an electric system which differs from the Edison and Brush patents only in the ... The dazzling brilliancy of the sunlight, so far from being located at the sun itself, as is both the popular and scientific ... Thus, the so-called sunheat and sunlight, so far as the sun itself is concerned, are but superficial appearances-mere optical ... The same process which develops sunheat also develops sunlight. The source and mode of development of each being the same, ...
Shop Sunlight Stickers from CafePress. Find great designs on durable stickers or create your own custom stickers to express ... Shop for Sunlight Stickers in thousands of beautiful designs and sizes. You can stick them on almost anything from laptops and ...
books.google.comhttps://books.google.com/books/about/Ways_of_sunlight.html?id=lnUIAQAAIAAJ&utm_source=gb-gplus-shareWays of ... 0 Reviewshttps://books.google.com/books/about/Ways_of_sunlight.html?id=lnUIAQAAIAAJ ...
Sunlight Center for Change provides outpatient, behavioral health, assessment & treatment services. We have both clinical and ... If you suffer from sleeplessness and feel this is something you might like to try, Sunlight Center for Change offers therapy to ... Pay It Forward Tucson and Sunlight Center for Change Collaboration in the Tucson Weekly. posted Feb 8, 2017, 11:18 AM by Holly ... Susan Dolence, LCSW, is a therapist at Sunlight Center for Change who runs the Dialectical Behavior Therapy group and sees ...
sunlight is the best disinfectant *(usually public policy or management) Transparency about the workings of an organization ... "Sunlight is the best disinfectant," he said. "We must change our practices and our mindset, moving from a culture of secrecy to ... Sunlight is said to be the best of disinfectants; electric light the most efficient policeman." ... "Sunlight is the best disinfectant," said Puccio in explaining his decision to open the proceeding to reporters.. ...
Download this Sunlight Through Trees photo now. And search more of the webs best library of royalty-free stock images from ...
How Sunlight Becomes Electricity; Living Sunlight: How Plants Bring the Earth to Life; Oce ... About Buried Sunlight. Buried Sunlight describes the story of fossil fuels. The book explains how coal, oil, and gas are really ... In Ocean Sunlight and Buried Sunlight, we use arrows, composed of the molecules that are flowing, to indicate the directions of ... In Buried Sunlight, we describe the role of photosynthesis in creating fossil fuels, and how our use of this "fossil sunlight" ...
Shop unique Sunlight Shower Curtains from CafePress. Great designs on professionally printed shower curtains. ✓Free Returns ✓ ... Brighten up your bathroom with unique Sunlight Shower Curtains from CafePress! From modern curtain designs to patterned black ...
All rights reserved. All trademarks are copyright by their respective owners. All contributors are responsible for their uploads ...
I found this passage in the textbook: ``Christian Science brings to the body the sunlight of Truth, which invigorates and ...
... a new fiberoptic sunlight tranport device, is the main attraction on display in Vienna at the Haus der Forschung. Called 0-24 ... Fiber optic cable does filter the UV rays out of the sunlight. I dont think this filtration would affect the benefit of using ... The Cold Light, a new fiberoptic sunlight tranport device, is the main attraction on display in Vienna at the Haus der ... COLD LIGHT - Fiberoptic lamp brings sunlight indoors. Cold Light, Fiber Optics, Sun Mirrors ...
... one way to make drinking water safer is to expose it to sunlight, but now scientists at the Johns Hopkins Bloomberg School of ... They looked at microbial reductions after exposure to both sunlight and simulated sunlight. The results showed that compared to ... In low-income countries, one way to make drinking water safer is to expose it to sunlight, but now scientists at the Johns ... "Lime Juice, Sunlight Help Make Water Safer." Medical News Today. MediLexicon, Intl., 20 Apr. 2012. Web.. 23 Apr. 2019. ,https ...
A lack of sunlight can lead to reduced mental performance, not just mood disorders, among depressed people, a U.S. university ... is a mood disorder in which people repeatedly experience depressive symptoms in the winter due to a lack of sunlight. ...
Sunlight, UV-Radiation, Vitamin D and Skin Cancer: How Much Sunlight Do We Need? ...
Case Study in Commercial UPS Application Backup Power in Dubai Airport based on SUNLIGHT VRLA Batteries The Need Dubai ... SUNLIGHT-Dubai-VRLA-Batteries-UPS-Application-CaseStudy * 1. SYSTEMS SUNLIGHT S.A. Headquarters 2 Ermou & Nikis Str., Syntagma ... Backup Power in Dubai Airport based on SUNLIGHT VRLA Batteries The Need Dubai International Airport is a major airline hub in ... Technical Features of SUNLIGHT VRLA SPb Series Valve Regulated Lead Acid batteries with AGM Technology Manufactured according ...
It was a snapshot day, a lingering day, a picnic day. For as long as the lunch hour could be stretched Thursday, it was a day to be outside, a perfect, cloudless early spring day.The trees were in
Sunlight Foundation plans to bid on Recovery.gov. The Recovery, Accountability and Transparency (RAT) Board is working on the ... The Sunlight Foundation says that accounts for half of the government spending data reported last year. After spending over a ... Sunlight Foundation plans to bid on Recovery.gov. By Dorothy Ramienski Internet Editor FederalNewsRadio The Recovery, ... Ellen Miller, Sunlights executive director, calls the open data plans disappointing because 12 of 30 agencies didnt list any ...
Sun; Sunlight. Knowledge Base » Physical World, The » Solar System & Planets » Sun; Sunlight ...
Not to mention, Vitamin D, released by skin exposure to direct sunlight, is linked to everything from lower rates of depression ...
  • The Tracking Network includes data on exposure to sunlight and UV in the United States. (cdc.gov)
  • This indicator provides state and county level data on monthly and annual average exposure to sunlight. (cdc.gov)
  • Determine which states have laws or policies in place to help reduce exposure to sunlight and UV, particularly among minors. (cdc.gov)
  • This study investigated whether there was an association between vitamin D production from exposure to sunlight and breast cancer risk. (www.nhs.uk)
  • New research conducted by the Universities of Southampton and Edinburgh in the UK, and published in the Journal of Investigative Dermatology , suggests that exposure to sunlight may help reduce blood pressure. (medicalnewstoday.com)
  • Prof. Feelisch thinks that the results may contribute to a new discussion about public health advice on exposure to sunlight, as minimizing exposure to sunlight in an effort to avoid risk of skin cancer could also reduce the beneficial effects of sunlight exposure. (medicalnewstoday.com)
  • Increased exposure to sunlight, with its resulting immunosuppressive effect, may be one of these factors. (cmaj.ca)
  • Prevention: Although we do not know what causes most types of NHL, we do know that exposure to sunlight increases the risk of skin cancers and may be associated with the development of NHL. (cmaj.ca)
  • Multiplying the figure of 1050 watts per square metre by 93 lumens per watt indicates that bright sunlight provides an illuminance of approximately 98 000 lux ( lumens per square meter) on a perpendicular surface at sea level. (wikipedia.org)
  • In fact, one 2002 study reported in the prestigious medical journal Lancet demonstrated that serotonin production was directly related to the duration of bright sunlight. (prweb.com)
  • In this July 2018 article published in the Journal of Obsessive-Compulsive and Related Disorders, scientists determined that living at higher latitudes, where there is less sunlight, appears to result in an increased prevalence of OCD. (psychcentral.com)
  • In 2018, Aberdeen Standard Investments commissioned a £4 million refurbishment of Sunlight House. (wikipedia.org)
  • These books describe photosynthesis on land ( Living Sunlight) and in the sea ( Ocean Sunlight ), and how all life depends on this process. (scholastic.com)
  • In Buried Sunlight , we describe the role of photosynthesis in creating fossil fuels, and how our use of this "fossil sunlight" is changing our planet. (scholastic.com)
  • they need sunlight for photosynthesis that's how they make their own food. (answers.com)
  • without sunlight,there would be no photosynthesis and plants. (answers.com)
  • Plants use sunlight to make food through photosynthesis, with no sunlight, there is no food. (answers.com)
  • Plants require sunlight from the Sun to get their food through photosynthesis, the process of using sunlight to make food. (answers.com)
  • Without sunlight, the grass can not perform photosynthesis, the process plants use to make their own food. (answers.com)
  • They die without sunlight because they cannot undergo photosynthesis. (answers.com)
  • Green plants use a process called photosynthesis to make food from sunlight. (answers.com)
  • All plants need sunlight to produce photosynthesis. (answers.com)
  • Plants use photosynthesis to make their own food using sunlight. (answers.com)
  • no, only plants make food from sunlight through the process of photosynthesis. (answers.com)
  • Plants make their own food through a process known as photosynthesis, which involves creating energy from sunlight, water, carbon dioxide and other nutrien. (reference.com)
  • A request for details on the process of photosynthesis, for example, reveals that plant cells use sunlight and carbon dioxide to produce glucose and oxygen. (reference.com)
  • Sunlight is a key factor in photosynthesis , the process used by plants and other autotrophic organisms to convert light energy , normally from the Sun, into chemical energy that can be used to fuel the organisms' activities. (wikipedia.org)
  • Scientists in Cambridge achieve the long-standing goal of reproducing photosynthesis in a laboratory, splitting water into hydrogen and oxygen using only the power of sunlight. (reuters.com)
  • We'll get the obvious out of the way to start - Port Sunlight is our favourite place name in the north. (inyourpocket.com)
  • Port Sunlight is just six miles from Liverpool, a little south in the Wirral, and the best way to visit is by train. (inyourpocket.com)
  • Jump on the train at Liverpool Central and head towards Chester, and you'll stop at Port Sunlight some 17 minutes later. (inyourpocket.com)
  • You can drive to Port Sunlight, but by the time you get out the city you'll have wasted a decent bit of time, so best to get the train instead. (inyourpocket.com)
  • What is Port Sunlight, how is Port Sunlight, why is Port Sunlight? (inyourpocket.com)
  • Port Sunlight is a place for walking, a village of gorgeous buildings that gives off an air of absolute elegance. (inyourpocket.com)
  • Being a village, there isn't a huge amount of food and drink options in Port Sunlight, but the whole 'being 17 minutes from Liverpool' thing shouldn't make that an issue. (inyourpocket.com)
  • A model village just a short train ride from the centre of Liverpool, Port Sunlight is everything that somewhere with such a name should be. (inyourpocket.com)
  • Among new university research, a Harvard geo-engineering project into dimming sunlight to cool the planet set up in 2016 has raised $7.5 million from private donors. (reuters.com)
  • 2014), Ten (2016) all on Ultimate Vibe Records and now Sunlight have followed. (allaboutjazz.com)
  • The process also seems to have no lower threshold, meaning that carbon loss will occur even in ambient sunlight. (scientificamerican.com)
  • New technology for "photosynthesising" fuel could lead to cars running on "petrol" made from carbon dioxide and sunlight. (telegraph.co.uk)
  • One of the most attractive sources for sustainable, carbon-neutral energy production is both ancient and abundant: sunlight. (eurekalert.org)
  • Plants make their own food from sunlight, water and carbon dioxide. (answers.com)
  • In early 2011, researchers patented a process involving a genetically-modified form of blue-green bacteria that converts sunlight and carbon dioxide directly into diesel fuel. (fastcompany.com)
  • Biological reactions are good at forming carbon-carbon bonds, using carbon dioxide as a raw material for reactions powered by sunlight. (ucdavis.edu)
  • Ever since a report in the late 1980s uncovered a 4 to 6 percent decline of sunlight reaching the planet's surface over 30 years since 1960, atmospheric scientists have been trying out theories about why this would be and how it would relate to the greenhouse effect, the warming caused by the buildup of carbon dioxide and other gasses that trap heat in the atmosphere. (universetoday.com)
  • What we're working on is turning sunlight into electricity. (latimes.com)
  • But instead of making electricity, the sunlight absorbed by these cheap, tiny fibers is directed to catalysts that produce fuel. (latimes.com)
  • The first in the series, My Light , introduces the sun as the narrator and shows how humans change sunlight into the electricity we use every day. (scholastic.com)
  • This book describes how humans capture energy from sunlight and change it into electricity. (scholastic.com)
  • On the most basic level, it shows how the energy from sunlight is changed into other forms of energy-wind, moving water, etc.-and how we use that energy to make electricity. (scholastic.com)
  • Rather than direct generation of electricity from sunlight, this new breed of technology uses solar energy to drive chemical reactions capable of producing fuels, which store the sun's energy in chemical bonds. (eurekalert.org)
  • Photovoltaic (PV) devices, or solar cells, gather sunlight and transform the energy directly into electricity. (eurekalert.org)
  • Solar capture and conversion is accomplished by existing photovoltaics (PVs), which turn sunlight into electricity, and especially solar thermal, which captures sunlight to heat (and cool) water and spaces. (i-sis.org.uk)
  • Whether because of an office job or awkwardly placed windows, the average consumer might be concerned that they aren't getting enough healthy sun exposure, so the 'Lucy' Sunlight Bender is here as an eco-friendly lamp replacement that requires no electricity. (trendhunter.com)
  • Because the 'Lucy' Sunlight Bender is exposed to sunlight all day, it doesn't require electricity, as it is powered by the very sunlight it captures and reflects. (trendhunter.com)
  • Lobbyists did this by training themselves not to think of sunlight as a disinfectant that threatened their livelihood, but rather as something more akin to the klieg lights used to publicize movie premieres. (slate.com)
  • Sunlight is the best disinfectant ," said Puccio in explaining his decision to open the proceeding to reporters. (wiktionary.org)
  • Your philosophical touchstone is Justice Louis Brandeis' bromide that sunlight is the best disinfectant . (wiktionary.org)
  • Researchers in two American laboratories are working on ways to exploit the power of sunlight in breaking down harmful compounds such as dioxins. (newscientist.com)
  • To calculate the amount of sunlight reaching the ground, both the eccentricity of Earth's elliptic orbit and the attenuation by Earth's atmosphere have to be taken into account. (wikipedia.org)
  • Averaged over a day, the highest amount of sunlight on a horizontal surface occurs in January at the South Pole (see insolation). (wikipedia.org)
  • They multiplied the intensity of sunlight 1000 times with a solar reflector to create temperatures of 1000 Degree C in a test chamber. (newscientist.com)
  • Researchers can measure the intensity of sunlight using a sunshine recorder , pyranometer , or pyrheliometer . (wikipedia.org)
  • Using water and sunlight, they are able to make renewable hydrogen energy. (inhabitat.com)
  • When sunlight hits the device, it converts the water to hydrogen, and that can be "stored like a battery. (inhabitat.com)
  • Using sunlight and water, they are working to make hydrogen energy that could be used in things like hydrogen-powered cars. (inhabitat.com)
  • The energy in sunlight can excite an electron that then reduces water, generating hydrogen gas. (eurekalert.org)
  • This porous silicon can generate a good amount of hydrogen just from sunlight," said Wang. (eurekalert.org)
  • At the California Institute of Technology , they're developing a way to turn sunlight and water into fuel for our cars,' President Obama said in his Jan. 25 State of the Union address. (latimes.com)
  • Sunlight is said to be the best of disinfectants," Louis Brandeis famously observed , "electric light the most efficient policeman. (slate.com)
  • It is also not known whether it imitates actual natural sunlight in the warmer months either. (newsweek.com)
  • According to popular natural health expert Dr. Joseph Mercola, there is a simple and safe prescription for pain and inflammation: natural sunlight, complemented by indoor full spectrum lighting. (prweb.com)
  • In the troposphere near the Earth's surface, ozone forms through the splitting of molecules by sunlight as it does in the stratosphere. (nasa.gov)
  • Ask students to draw a diagram for themselves that shows how sunlight-energy affects Earth's land, sea, and air and gives life to plants and animals. (scholastic.com)
  • On Earth , sunlight is filtered through Earth's atmosphere , and is obvious as daylight when the Sun is above the horizon . (wikipedia.org)
  • If the extraterrestrial solar radiation is 1367 watts per square meter (the value when the Earth-Sun distance is 1 astronomical unit ), then the direct sunlight at Earth's surface when the Sun is at the zenith is about 1050 W/m 2 , but the total amount (direct and indirect from the atmosphere) hitting the ground is around 1120 W/m 2 . (wikipedia.org)
  • [5] In terms of energy, sunlight at Earth's surface is around 52 to 55 percent infrared (above 700 nm ), 42 to 43 percent visible (400 to 700 nm), and 3 to 5 percent ultraviolet (below 400 nm). (wikipedia.org)
  • What Captures sunlight to make food for plants? (answers.com)
  • The specific chemical which captures sunlight to make food for plants is called chlorophyl. (answers.com)
  • While other sunlight lamps utilize bulbs to mimic the sun's rays, the 'Lucy' Sunlight Bender is a lamp replacement that simply captures and redirects sunlight to keep rooms bright throughout the day. (trendhunter.com)
  • The university researchers used data from 14,474 people participating in a U.S. National Institutes of Health study to observe associations between depression, mental function and sunlight. (redorbit.com)
  • But further research needs to be done before the researchers can conclude that sunlight is effective at lowering blood pressure in more chronic settings. (medicalnewstoday.com)
  • The bacteria use the CO2 and sunlight to directly "sweat out" diesel fuel. (fastcompany.com)
  • In Ocean Sunlight and Buried Sunlight , we use arrows, composed of the molecules that are flowing, to indicate the directions of these flows. (scholastic.com)
  • This new study found that exposure of the skin to sunlight may also reduce blood pressure, by reducing levels of small messenger molecules and nitric oxide (NO) in the skin and blood. (medicalnewstoday.com)
  • When you expose [the device] to sunlight, the molecules that hit the surfaces will absorb some of the heat," says Bargatin. (newscientist.com)
  • According to Dr. Mercola, sunlight is an overlooked yet effective remedy for reducing pain and inflammation. (prweb.com)
  • Unfortunately, according to Dr. Mercola, today's population is virtually "starving for sunlight. (prweb.com)
  • Contrary to popular belief, Dr. Mercola encourages common-sense exposure to outdoor sunlight, exposure that avoids burning. (prweb.com)
  • Since our widespread sunlight deficiency corresponds to low vitamin D levels, Dr. Mercola cites this as another reason to supplement natural sunshine with full spectrum lights . (prweb.com)
  • For further information, readers are encouraged to take advantage of a free Special Report , detailing the essentials of sunlight, health and full spectrum lighting, at http://store.mercola.com/light . (prweb.com)
  • The ultraviolet radiation in sunlight has both positive and negative health effects, as it is both a principal source of vitamin D 3 and a mutagen . (wikipedia.org)
  • Ultraviolet radiation of the sunlight is the main stimulator for vitamin D production in humans. (hindawi.com)
  • We have a California-based team of 200 scientists working on nothing else but fuels from sunlight. (latimes.com)
  • Two Caltech scientists lead an effort in California, called JCAP, to perfect a clean, cheap energy source from sunlight. (latimes.com)
  • In low-income countries, one way to make drinking water safer is to expose it to sunlight, but now scientists at the Johns Hopkins Bloomberg School of Public Health and the Johns Hopkins School of Medicine, suggest adding lime juice can make the method more effective . (medicalnewstoday.com)
  • Well, different plants need different amounts of sunlight. (answers.com)
  • Findings of one recent study published in the medical journal Psychosomatic Medicine demonstrated that post-operative spinal surgery patients who were exposed to increased amounts of sunlight experienced significantly less pain and stress - and needed less analgesic medication. (prweb.com)
  • Glatzmaier says that sunlight destroys dioxins at lower temperatures than conventional incineration, leaving fewer by-products. (newscientist.com)
  • The resulting cells are about 20 micrometers thick but have the same efficiency as conventional cells, converting about 14.9 percent of sunlight into electrical energy. (technologyreview.com)
  • Avoiding excess sunlight exposure is critical to prevent skin cancer, but not being exposed to it at all, out of fear or as a result of a certain lifestyle, could increase the risk of cardiovascular disease. (medicalnewstoday.com)
  • Not to mention, Vitamin D, released by skin exposure to direct sunlight, is linked to everything from lower rates of depression to reduced injury risk during a workout . (menshealth.com)
  • Our body creates vitamin D from direct sunlight on our skin when we're outdoors. (www.nhs.uk)
  • Children aged under 6 months should be kept out of direct strong sunlight. (www.nhs.uk)
  • But too much direct sunlight can hurt your eyes. (rxlist.com)
  • Never put a newborn in direct sunlight outside. (rxlist.com)
  • Direct sunlight has a luminous efficacy of about 93 lumens per watt of radiant flux . (wikipedia.org)
  • This week, Nest is rolling out an update to first and second generation Nest thermostats which can detect when the unit is in direct sunlight and adjust itself accordingly. (redorbit.com)
  • In 60 percent of homes, the thermostat is in direct sunlight at some point during the year, heating up and reading temperatures up to 25ºF (14°C) higher than reality. (redorbit.com)
  • This feature is turned on automatically with the new update and will only begin working if the thermostat is bathed in direct sunlight for one day. (redorbit.com)
  • My only location for a vegetable garden receives only one hour of direct sunlight. (garden.org)
  • Babies exposed to sunlight early in life are less likely to develop eczema. (iol.co.za)
  • In the SODIS method you fill a one or two-litre polyethylene terephthalate (PET plastic) bottle with water and then expose it to sunlight for at least 6 hours, or up to 48 hours on cloudy days. (medicalnewstoday.com)
  • The process uses the ultraviolet part of sunlight to activate titanium dioxide, a catalyst, which is mixed in with the contaminated water as it flows through glass pipes. (newscientist.com)
  • Plants need sunlight, water, and soil to grow or to produce anything. (answers.com)
  • Only plants are producers (ie they make thier food from air,water and sunlight), animals can not do this and they have to eat plants for food. (answers.com)
  • The water cycle, which makes possible the transfer of water from oceans to land, is powered by sunlight. (reference.com)
  • Because these silicon particles have lots of pores, they have a large surface area and act as an effective catalyst when sunlight shines on this porous silicon and water. (eurekalert.org)
  • Will sunlight take bleach out of water? (wikihow.com)
  • One of Nature's more impressive tricks involves the use of sunlight to produce energy-rich chemicals, a process mastered billions of years ago by plants and other photosynthetic organisms. (eurekalert.org)
  • We capture the energy from sunlight in tiny fibers, arranged like fibers on a carpet or blades of grass on a lawn, that are made from the same (but more expensive) materials that are used in solar panels. (latimes.com)
  • What kind of energy did the sunlight-energy get changed into? (scholastic.com)
  • Many renewables like sunlight and wind power are not always available, so storage of intermittent sources is a key part of any future technology to meet global human energy demands on a large scale. (eurekalert.org)
  • The solar energy stored in fossil fuels and released through burning for human use represents another important role played by sunlight. (reference.com)
  • Sunlight helps boost a chemical in your brain called serotonin, and that can give you more energy and help keep you calm, positive, and focused. (rxlist.com)
  • For solar energy available from sunlight, see Insolation . (wikipedia.org)
  • Pockets of Sunlight is a radiant saison full of crisp energy. (beeradvocate.com)
  • It takes them hours, in some cases days, or on the order of weeks, and therefore they have time to react with the sunlight. (americanscientist.org)
  • Our particular field of expertise lies with what comes next: combining these particles with materials which will make it react more efficiently to sunlight, so-called photocatalytic materials. (tudelft.nl)
  • Cyanobacteria, or blue-green algae, can be engineered to make raw materials for fuels and chemicals from sunlight. (ucdavis.edu)
  • But the majority of people aged 5 years and above will probably get enough vitamin D from sunlight in the summer (late March/early April to the end of September), so you might choose not to take a vitamin D supplement during these months. (www.nhs.uk)
  • If there are about 50% or more clouds, you have to expose the bottles for 2 days to the sunlight. (wikihow.com)
  • In addition to making small and mid range grants to organizations and projects dedicated to uncovering connections between politics and money and liberating government data, Sunlight also creates its own tools for transparency via its team of technologists at Sunlight Labs , and produces original reporting . (niemanlab.org)
  • Sunlight can readily split ozone into an oxygen molecule and an individual oxygen atom. (nasa.gov)
  • Sunlight splits nitrogen dioxide into nitric oxide and an oxygen atom. (nasa.gov)
  • Seasonal affective disorder, also known as winter depression or winter blues, is a mood disorder in which people repeatedly experience depressive symptoms in the winter due to a lack of sunlight. (redorbit.com)
  • Dragged Into Sunlight cite no specific influence other than the depression, isolation, abuse and calculated violence abundant in contemporary society. (last.fm)
  • Sunlight House was completed in 1932, at the height of the Great Depression, and was built by architect and developer Joseph Sunlight as the headquarters of his property business, with offices and shops to let. (wikipedia.org)
  • Sunlight is a major cause of skin aging. (medlineplus.gov)
  • Sunlight, UV-Radiation, Vitamin D and Skin Cancer: How Much Sunlight Do We Need? (springer.com)
  • These studies of XP strongly implicate DNA repair in protection against sunlight-induced skin cancer. (pnas.org)
  • In the UK, sunlight doesn't contain enough UVB radiation in winter (October to early March) for our skin to be able to make vitamin D. (www.nhs.uk)
  • Too much time outside can raise your chances of skin cancer, but people who live in places that don't get much sunlight may be more likely to have other types of the disease, including breast, colon, prostate, and lung. (rxlist.com)
  • In addition to some skin issues, filtered sunlight also can be used to treat a condition called jaundice that mostly affects newborns. (rxlist.com)
  • The natural way to obtain vitamin D in the body is by exposing skin to sunlight [ 9 , 10 ]. (hindawi.com)
  • This entire process is modified by additional cellular processes such as DNA repair and by processes that are altered by sun exposure including eicosanoid and proteinase production, cytokine activation and immune suppression, and sunlight-induced mutations of other tumor suppressor genes including patched (PTCH) for BCCs and possibly the ESS1 gene [for the multiple self-healing squamous cell epithelioma disorder described by Ferguson-Smith ( 52 , 53 )] for SCCs. (pnas.org)
  • What process that plants and animals use sunlight to make food? (answers.com)
  • These results are significant to the ongoing debate about potential health benefits of sunlight and the role of vitamin D in this process. (medicalnewstoday.com)
  • Use the Docket Wrench API by the Sunlight Foundation to investigate the rulemaking process of federal agencies. (programmableweb.com)
  • Apps for America is a contest for computer developers to create applications using data from the Sunlight Foundation and mixing it with other information on the web to create a web application that makes congress more accountable, interactive and transparent. (federalnewsradio.com)
  • The Sunlight Foundation decided to hold an UNconference, featured during a Transparency Camp. (federalnewsradio.com)
  • One of the Obama administration's biggest partners when it comes to the use of technology for open government, the Sunlight Foundation, is questioning whether the push for gov 2.0 is running out of steam. (federalnewsradio.com)
  • The Sunlight Foundation says that accounts for half of the government spending data reported last year. (federalnewsradio.com)
  • Today Jeff Birnbaum reports on the activities of the interesting new Sunlight Foundation, financed by securities bigwig Michael Klein and headed up by goo-goo veteran Ellen Miller . (prospect.org)
  • The Sunlight Foundation is a nonpartisan, non-profit institution that seeks to achieve its mission of increased government transparency by funding and building web-based technologies. (niemanlab.org)
  • Miller, who serves as the executive director of the Sunlight Foundation, also founded the Center for Responsive Politics and Public Campaign . (niemanlab.org)
  • The 'Lucy' Sunlight Bender lamp replacement will follow the sun from dawn till dusk to reflect sunlight and automatically power down during the night. (trendhunter.com)
  • 1. SYSTEMS SUNLIGHT S.A. Headquarters 2 Ermou & Nikis Str. (slideshare.net)
  • But a combination of the removal of more than a century of dirt, and the absence of UV protection across the entire roof, has led to such a large increase in sunlight that temperatures in the museum have soared, and humidity has plummeted. (telegraph.co.uk)
  • Fiber optic cable does filter the UV rays out of the sunlight. (inhabitat.com)
  • It's a necessary evil of designing in cities: Only the tallest or most perfectly situated buildings get much sunlight. (gizmodo.com.au)
  • Completed in 1932 for Joseph Sunlight, at 14 storeys it was the tallest building in Manchester, and the top floors of turrets and multiple dormer windows and mansard roofs create a distinctive skyline. (wikipedia.org)
  • Sunlight could be used to power microfliers travelling above the stratosphere in the mesosphere . (newscientist.com)
  • Of course, sunlight has been used therapeutically for thousands of years, long before the discovery of indoor full spectrum lighting . (prweb.com)
  • Not only do sunlight and its closest counterpart, full spectrum light , decrease pain and enhance mood, but they also decrease inflammation. (prweb.com)
  • Sunlight and full spectrum lighting can be a great boon to anyone, but especially those who would otherwise be relying solely on expensive prescription and over-the-counter pain relievers, which are often loaded with potentially dangerous side effects. (prweb.com)
  • This new update uses the light sensor to detect if it´s receiving a full dose of sunlight. (redorbit.com)
  • Sunlight streaming through the full-height, stained glass windows casts bright patches of rainbow hues on the aisle, bringing it to life. (usingenglish.com)
  • Veggies do best with at least 6-8 hours of full sunlight a day. (garden.org)