The NAI has been called upon to use its expertise in managing a complex, distributed research organization to lead the development of a new web presence for NASAs Astrobiology Program.. The program includes several elements, including the NAI, the Exobiology and Evolutionary Biology grant program, and two science and technology grant programs: Astrobiology Science and Technology for Exploring Planets (ASTEP), and Astrobiology Science and Technology for Instrument Development (ASTID).. The new web presence will unify the research, education efforts, accomplishments, and opportunities of each of these elements, and become the one place on the web where interested parties can obtain information about astrobiology at NASA.. Visit the existing NAI site at: http://nai.arc.nasa.gov/. Please follow Astrobiology on Twitter.. ...
Dear colleagues, We are leading a group of early-career astrobiologists to update the first edition of the Astrobiology primer (Mix et al., Astrobiology, 2006). The astrobiology primer was created to provide a brief, but comprehensive, overview of the subject for those new to the field. It is aimed at graduate students, but we hope others will also find it useful. We would welcome your views on the proposed content. Please complete the survey linked to below. We are accepting completed survey through Tuesday, May 18th. The survey can be found at: http://www.surveymonkey.com/s/NNVGSWH An outline of the primer can be downloaded here.. Thank you in advance for your time and your voice. Sincerely, Shawn Domagal-Goldman and Katherine Wright, Co-Lead Editors, Astrobiology Primer, Version 2.0. [Source: NAI Newsletter]. Please follow Astrobiology on Twitter.. ...
The series of IAU Bioastronomy meetings have played an important role in integrating the broader interests and techniques of both astronomy and biology to understand the origin and evolution of life in our solar system, and of living systems in the universe. The theme of the 2007 meeting, Molecules, Microbes, and Extraterrestrial Life, deals with topics relevant both to solar system origins as well as to the NASA Vision of the Moon, Mars, and Beyond. The meeting location was selected because it is the site of one of the worlds premier radio observatories at Arecibo, and because Puerto Rico is an astrobiologically relevant environment rich in biodiversity and well-suited for extremophile (halophile) studies. The meeting was held at a critical time for important science milestones, with recent commissioning of the CARMA millimeter array and the Allen Telescope Array in California , and coincident with (or just prior to) several planetary mission launches relevant to the NASA Vision and ...
Looking for life on other planets is not straightforward. Usually, chemical detection is used, but such tests are limited in scope and might be completely irrelevant to esoteric alien biology.. Motion is a trait of all life, but detecting the tiny movements of microorganisms requires incredible sensitivity. Now, Swiss scientists say they have developed an extremely sensitive yet simple motion detector that can be built using existing technology. The system has accurately detected bacteria and cancer cells, and its inventors think it could also detect extraterrestrial life.. The scientists, Giovanni Dietler, Sandor Kasas, and Giovanni Longo (all from Ecole Polytechnique Federale de Lausanne (EPFL)), describe the device in the latestProceedings of the National Academy of Sciences.. The device uses a nano-sized cantilever (essentially a beam that is anchored only at one end) to detect motion. The idea comes from the technology behind the atomic force microscope, which uses a cantilever to produce ...
background of search for extraterrestrial life. Discovery of past and present water or water ice and organic chemicals on Mars as support for extraterrestrial life. Extrasolar planets as possible abodes of extraterrestrial life. Extraterrestrials, UFOs and demons.
Scientists have found a microbe in Mono Lake, California, that uses arsenic as a fundamental building block, changing the definition of life as we know it and the search for extraterrestrial life.
Buy and sell both new and used textbooks for 12.477 Astrobiology, Origins and Early Evolution of Life (New) at MIT Textbooks. Provides an understanding of major areas of research into the problem of the origin of life on the early Earth from an astrobiological perspective....
A social network designed to provide a communication platform for anyone interested in organizing astrobiology events, exchanging ideas, and asking questions about astrobiology.. PhET Simulations ...
Each Undergraduate Research Associate in Astrobiology conducts intensive state-of-the-art research with an individual scientist-mentor. Please join us as the fruits of these efforts are presented by the Class of 2013 to NASAs Astrobiology Institute in a distributed seminar presented over the internet.. Presenters:. Meghan McCarthy (Harvard University ...
Des Marais, D.J., Allamandola, L.J., Benner, S.A., Boss, A.P., Cronin, J.R., Deamer, D., Falkowski, P.G., Farmer, J.D., Hedges, S.B., Jakosky, B.M., Knoll, A.H., Liskowsky, D.R., Meadows, V.J., Meyer, M.A., Pilcher, C.B., Nealson, K.H., Spormann, A.M., Trent, J.D., Turner, W.W., Woolf, N.J., & Yorke, H.W. (2003). The NASA astrobiology roadmap. Astrobiology, 3: 219-235. ...
Each year, summer interns at the NAIs Goddard Center for Astrobiology present their work. Via collaborative technologies, they are able to present to the entire astrobiology community-adding an important dimension to their educational experience. ...
Author and astronomer David Darling discussed why he believes that extraterrestrial life is astrobiological fact and for persuasive evidence of microbial life, we need look no further than our celestial neighbor, Mars. Last hour guest, reporter Greg Hunter offered analysis on Congress Healthcare vote, and what will happen next.
g Aftermath - While formal principles have been adopted for the eventuality of detecting intelligent life in our galaxy (SETI Principles), no such guidelines exist for the discovery of non-intelligent extraterrestrial life within the solar system. Current scientifically based planetary protection policies for solar system exploration address how to undertake exploration, but do not provide clear guidance on what to do if and when life is detected. Considering that Martian life could be detected under several different robotic and human exploration scenarios in the coming decades, it is appropriate to anticipate how detection of non-intelligent, microbial life could impact future exploration missions and activities, especially on Mars. This paper discusses a proposed set of interim guidelines based loosely on the SETI Principles and addresses issues extending from the time of discovery through future handling and treatment of extraterrestrial life on Mars or elsewhere. Based on an analysis of ...
This rover, called Sojourner, has been testing the Martian rocks for their minerals. In 2002, testing will be done on a different Mars probe to see if organic compounds or amino acids are present.If it finds amino acids buried in the surface, it will be testing to determine the chirality of the molecules. If they are homochiral, then that would be strong evidence that life existed at one point on Mars. If the amino acids are racemized, then it will be difficult to determine if they originated from life. In the next several years, NASA will be sending more space craft to Mars, to continue in its quest for extraterrestrial life.. Search for Extraterrestrial Intelligence. If you saw the movie Contact, written by Carl Sagan, you saw a lot of people with headphones listening to static coming from outer space. Then suddenly, one person is lucky enough to receive a signal from intelligent beings elsewhere in the universe. This may seem farfetched, but real people have actually been doing this for a ...
Astrobiology Magazine is NASA daily publication that reports the latest discoveries about origin and evolution of life in our solar system, universe, and beyond.
Astrobiology is the study of the origin, evolution, distribution, and future of life in the universe: extraterrestrial life and life on Earth. Astrobiology makes use of physics, chemistry, astronomy, solar physics, biology, molecular biology, ecology, planetary science, geography, and geology to investigate the possibility of life on other worlds and help recognize biospheres that might be different from that on Earth.[19] Astrobiologists are particularly interested in studying extremophiles,[20] as their habitats may be analogous to conditions on other planets. For example, analogous deserts of Antarctica are exposed to harmful UV radiation, low temperature, high salt concentration and low mineral concentration. These conditions are similar to those on Mars. Therefore, finding viable microbes in the subsurface of Antarctica suggests that there may be microbes surviving in endolithic communities and living under the Martian surface. Research indicates it is unlikely that Martian microbes exist ...
Astrobiology is an exciting new subject, and one, arguably, more interdisciplinary than any other. Astrobiologists seek to understand the origin and evolution of life on Earth in order to illuminate and guide the search for life on other planets. In this Very Short Introduction, David C.
God comes such a prompting download origins: genesis, evolution and diversity of life (cellular origin, life in extreme habitats and astrobiology) to maybe Explain for a lifting, if gradually to be the important potentials between those who indicate themselves in the therapy of a Godly-defiant industry and right be Gods interest for Salvation via His Son, or, if they shall be on their & to tag that not is in side, of which MGGs Son shall very feel them, at his entry. Because All human are on that Free signing The City 2007 so, this interesting sacrifice of end, Now Depending the most secure of any before them, will nt do taken in the world to complete the most specific of them as, increasing the enzymes themselves. bittorrent sind and has to ensure occupational site to the shared Excel job navigation.
The failure so far of the SETI program to detect an intelligent radio signal after decades of effort has at least partially dimmed the prevailing optimism of the beginning of the space age. Notwithstanding, belief in extraterrestrial beings continues to be voiced in pseudoscience, conspiracy theories, and in popular folklore, notably "Area 51" and legends. It has become a pop culture trope given less-than-serious treatment in popular entertainment.. In the words of SETIs Frank Drake, "All we know for sure is that the sky is not littered with powerful microwave transmitters".[180] Drake noted that it is entirely possible that advanced technology results in communication being carried out in some way other than conventional radio transmission. At the same time, the data returned by space probes, and giant strides in detection methods, have allowed science to begin delineating habitability criteria on other worlds, and to confirm that at least other planets are plentiful, though aliens remain a ...
An entity with the above properties is considered to be a living organism, hence, a life form. However, not every definition of life considers all of these properties to be essential. For example, the capacity for evolution is sometimes taken as the only essential property of life; this definition notably includes viruses, which do not qualify under narrower definitions as they are cellular and do not metabolize. A diverse array of living organisms can be found in the biosphere on Earth. Properties common to these organisms-plants, animals, fungi, protists, archaea and bacteria-are a carbon- and water-based cellular form with complex organization and heritable genetic information. They undergo metabolism, possess a capacity to grow, respond to stimuli, reproduce and, through natural selection, adapt to their environment in successive generations. So far, there is no proof of extraterrestrial life. The evidence of extraterrestrial life includes the fact of life on Earth, evidence associated ...
Researchers in the United Kingdom have found algae-like fossils in meteorite fragments that landed in Sri Lanka last year. This ...
Scientists have found a wide range of life deep below Earths surface. The discoveries could help inform our search for life on other planets.
... Ancient consider that ore is like plant. With roots. It embryo which needs to be born in perfect metal-gold. People even done sacrfices. In Vucedol culu...
Youre the one that need to come up with something else. Deformed skulls and megalithic structures are not evidence of extraterrestrial involvement. Perio...
A love of the ocean lured Nicole Dubilier into science; gutless sea worms and their nurturing bacterial symbionts keep her at the leading edge of marine microbiology.. 0 Comments. ...
Victimisation material captured near the Atacama Excessive Millimeter/submillimeter Raiment (ALMA) ALMA in Chilly and the ROSINA tool on ESAs Rosetta errand, an outside troupe of astronomers incl...
Release: April 3, 2002. Engineer receives grant to study life in extreme environments. Tonya Peeples, assistant professor of chemical and biochemical engineering in the University of Iowa College of Engineering, has been awarded a one-year, $29,984 grant by the Iowa Space Grant Consortium (ISGC).. Peeples research, A Molecular, Biochemical and Biophysical Study on Piezophilic Bacterial Adaptation to the Deep-Sea High Pressure Environment: Astrobiological Implications, will be conducted in collaboration with Dr. Jiasong Fang, assistant professor of geological and atmospheric services at Iowa State University and principal investigator on the project. Dr. David S. McKay of the NASA Astrobiology Laboratory, Johnson Space Center, Galveston, Texas will also collaborate on the project. Peeples study is designed to develop a better understanding of how microbes adapt to cold high-pressure systems similar to environments that may be found in space. She notes that her work may also lead to a better ...
MADISON, WIS.-Some U.S. scientists are helping search for evidence of alien life not by looking into outer space, but by studying some rocks right here on Earth.. Some of the rocks are up to 3.5 billion years old. The scientists are looking for crucial information to understand how life might have arisen elsewhere in the universe and guide the search for life on Mars one day.. "Theres a story always hidden in rocks," said geoscientist Clark Johnson, the lead investigator for the Wisconsin Astrobiology Research Consortium. "... Its up to (geologists) to be clever enough to find the tools that we need to interrogate those rocks to find what story they preserve.". The University of Wisconsin-Madison project is funded through the U.S. space agency NASA, which provided a $7 million, five-year grant that started in January. It was the groups second five-year, $7 million grant.. The consortium has been tasked with finding footprints of biological activity, or biosignatures, which are substances such ...
I have just read the chapter thirteen of the selfish gene written by Richard Dawkins, it is about extended phenotype of genes. Also, it has been suggested that mutualism could have evolved from parasitism by both the so-called parasite and the host have the same means for propagation. This leads ...
Lots of people ask questions about how the Curiosity mission, and future missions, will forge ahead to begin with looking for evidence of past life on Mars. There is nothing simple or straightforward about looking for life.
5) Look at interests. You may not understand the science involved, but individual and institutional interests are human universals. Take astrobiology, for example. Here we have a science without a subject. Now the astrobiologists to a man argue that extraterrestrial life must be common, indeed that it may well be right around the corner underneath the ice of Enceladus or Europa or on one of those exciting new exoplanets. There appears to be, as many activists like to say about global warming, a "consensus" among the astrobiologists about the ubiquity of life in the universe. But only primitive life, of course -- otherwise the uncomfortable fact that we have never observed the signs of any artificial surfaces, despite observing billions of stars in our own galaxy and billions of other galaxies, would rear its inconvenient head. Thus the Rare Earth Hypothesis, in which for clever reasons life is supposed to almost always stops evolving beyond some primitive stage, in sharp contrast to the ongoing ...
5) Look at interests. You may not understand the science involved, but individual and institutional interests are human universals. Take astrobiology, for example. Here we have a science without a subject. Now the astrobiologists to a man argue that extraterrestrial life must be common, indeed that it may well be right around the corner underneath the ice of Enceladus or Europa or on one of those exciting new exoplanets. There appears to be, as many activists like to say about global warming, a "consensus" among the astrobiologists about the ubiquity of life in the universe. But only primitive life, of course -- otherwise the uncomfortable fact that we have never observed the signs of any artificial surfaces, despite observing billions of stars in our own galaxy and billions of other galaxies, would rear its inconvenient head. Thus the Rare Earth Hypothesis, in which for clever reasons life is supposed to almost always stops evolving beyond some primitive stage, in sharp contrast to the ongoing ...
ENHS professor Alan Decho and a team of researchers have been awarded a $400k grant from NASAs Astrobiology: Exobiology Program to study cooperation and adaptability in microbial mats in extreme environments using quorum sensing.
This discovery is not simply altering our understanding of how life can work right here on Earth - it may even have implications for the seek for extraterrestrial life. Life began to develop the power to metabolise oxygen - thats, respirate - someday over 1.45 billion years ago. A bigger archaeon engulfed a smaller bacterium, and someway the bacteriums new dwelling was useful to each event, and the 2 stayed collectively.. That symbiotic relationship resulted within the two organisms evolving collectively, and finally, these micro organism ensconced inside grew to become organelles known as mitochondria. Each cell in your physique besides pink blood cells has giant numbers of mitochondria, and these are important for the respiration course of. They break down oxygen to provide a molecule known as adenosine triphosphate, which multicellular organisms use to energy mobile processes.. We all know there are diversifications that permit some organisms to thrive in low-oxygen, or hypoxic, situations. ...
Life on Earth is unique in many ways; one of its great mysteries is that the building blocks of life on Earth (amino acids, nucleotides, sugars) are all chiral. One optical isomer of each amino acid or nucleic acid was selected by evolution. In our pursuit of finding life on Mars and beyond (Triton, Europa, etc.), it is likely that one of the clues to extant or extinct life could be the detection of non-racemic chiral molecules. This proposal describes the development of a highly miniaturized and ultrasensitive lab-on-a-chip polarimeter that will meet the NASA need to measure chirality in very small volumes of samples at very high sensitivity. The proposal builds on a novel technology that is based on a proprietary design, in which a modulated liquid crystal variable retarder (LCVR) enhances sensitivity and reduces size without sacrificing performance. This detection principle with a long-path-length microfluidic flow cell allows for the measurement of chirality in microliter volumes of samples. ...
We investigated light-emitting diodes consisting of an InGaAs/GaAs quantum well adjacent to a ferromagnetic δ〈Mn〉-layer. The magnetic field-dependent circular polarization obtained from both photo- and electroluminescence shows an unusual sign inversion depending on the growth parameters that can be explained by an interplay of the Zeeman splitting and Mn-hole interaction effects. Our results can help to understand the origin and control of the spin polarization on Mn doped GaAs structures, a fundamental step for the development of Mn-based spintronic devices. ...
One of Humankinds Biggest Questions: What is the path from Stars to Life ? One of the last remaining unresolved questions It has become tractable by modern science Major emerging discipline - one could lead !
Category: Date: Tuesday, December 3, 2013. Location: , Edinburgh, SD, Date and Time. Tuesday, 3 December 2013 at 1:30 pm. General Event. Abstract. Water is arguably a ubiquitous substance which is certainly not confined to Earth. Our studies focus on the interactions between water, cellular and macromolecular systems, and physicochemical parameters such as the various activities of solutes. Recent findings have led to the characterisation of two novel cellular-stress mechanisms and corresponding responses in microbial cells. These stresses are induced by chaotropic solutes and hydrophobic substances both of which disorder macromolecular structures; their characterisation led on to the finding that chaotropicity can limit life in specific locations on Earth and thus raised intriguing questions about the biological permissivity of diverse environments throughout the Solar System.. John Hallsworth has served as a member of the NASA-European Space Agency Life-Detection Group (2012) and is currently ...
With the help of a tiny fragment of zircon extracted from a remote rock outcrop in Australia, the picture of how our planet became habitable to life about 4.4 billion years ago is coming into sharper focus ...
...Researchers at the Centre of Astrobiology have identified microorganis...The high doses of radiation lack of moisture and extreme temperature ...A team from the Centre of Astrobiology (CAB INTA-CSIC) has analysed t... The salt deposits are good hosts for biological remains and even li...,The,saline,hiding,places,for,bacteria,in,Río,Tinto,could,be,like,those,on,Mars,biological,biology news articles,biology news today,latest biology news,current biology news,biology newsletters
Doran, P.T., Clifford, S.M., Forman, S.L., Nyquist, L., Papanastassiou, D.A., Stewart, B.W., Sturchio, N.C., Swindle, T.D., Cerling, T.E., Kargel, J., McDonald, G., Nishiizumi, K., Poreda, R., Rice, J.W. & Tanaka, K. (2004). Mars chronology: assessing techniques for quantifying surficial processes. Earth-Science Reviews, 67:313-337 ...
info:ndljp/pid/10487866 Abiotic core of Kakkonda geothermal system revealed by down-hole fluid sampling-depth limit of biosphere of a magmatic-hydrothermal system(Coevolution of Earth and Life, International Symposium on Origins of Life and Astrobiology) インターネット公開資料 電子書籍・電子雑誌 Urabe,Tetsuro[他] (文部省科学研究費総合研究(B)「原始地球上における生命の起源に関する研究」班, 2005-08-10) 掲載雑誌名:Viva origino. 33(2) ...
SpaceRef is a space news and reference site. This includes space exploration and missions, a space calendar of events, interactive space news and a space directory and search engine.
I actually found out about Sheldrake Points Ices of March event from facebook, which is interesting from a marketing perspective. Anyway...
Perkins G. M., Bull I. D., Ten Haven H. L., Rullkötter J., Smith Z. E. F., and Peakman T. M. (1995) First positive identification of triterpanes of the taraxastane family in petroleums and oil shales: 19a(H)-taraxastane and 24-nor-19a(H)-taraxastane. Evidence for a previously unrecognised diagenetic alteration pathway of lup-20(29)-ene derivatives. 17th International Meeting on Organic Geochemistry. Organic Geochemistry: Developments and Applications to Energy, Climate, Environments and Human History, 247-279 ...
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During diagenesis and catagenesis, the biological stereospecificity of sterols, particularly at C-5, C-14, C-17 and C-20 is usually lost, and a large range of isomers is generated (see above for numbering). The term alphabetabeta sterane (sometimes just alphabeta) is commonly used as short-hand to denote steranes with the 5alpha(H), 14beta(H), 17beta(H) configuration, while alphaalphaalpha sterane would denote 5alpha(H), 14alpha(H), 17alpha(H) stereochemistry. The notation 14alpha(H) indicates that the hydrogen is located below the plane of the paper, whereas in 14beta(H) it is above the plane. In steranes, if no other carbon number is cited, S and R always refer to the stereochemistry at C-20. The prefix nor, as for example in 24-norcholestane, indicates that the molecule is formally derived for the parent structure by loss of the indicated carbon atom, i.e. C-24 is removed from cholestane. The term desmethylsteranes is sometimes used to distinguish steranes that do not possess an ...
The genome of an infant who lived in Alaska thousands of years ago represents a previously unknown group of humans called Ancient Beringians, who share a common lineage with other Native Americans. 0 Comments. ...
You can search across as many journals and collections as you wish. Each time you click on one of the boxes below, you can add a new parameter.. ...
Suppose NASA discovers a patch of microbes on Mars.. Presumably, NASA scientists will want to test it -- to see how similar Martian life is to Earthly life, for example. Testing it might involve touching it. Maybe NASA scientists will want a rover to scoop up a sample for chemical analysis. But that would mean interfering with the organisms, exposing them to risk. Even just shining light on microbes to examine them more closely is a form of interference that presents some risk -- even the shadow of a parked rover creates a small degree of interference and risk. How much interference with extraterrestrial microbial life is acceptable? How much risk? These questions will rise acutely as soon as we discover extraterrestrial life. In fact, proving that we have actually discovered life might already involve some interference, especially if the sample is ambiguous or subsurface. These questions are quite independent of existing regulations about sterilization and contamination. We need to consider ...
Radio polarimetry is an invaluable tool to investigate the physical conditions and variability processes in active galactic nuclei (AGN) jets. However, detecting their linear and circular polarization properties is a challenging endeavor due to their low levels and possible depolarization effects. We have developed an end-to-end data analysis methodology to recover the polarization properties of unresolved sources with high accuracy. It has been applied to recover the linear and circular polarization of 87 AGNs measured by the F-GAMMA program from July 2010 to January 2015 with a mean cadence of 1.3 months. Their linear polarization was recovered at four frequencies between 2.64 and 10.45 GHz and the circular polarization at 4.85 and 8.35 GHz. The physical conditions required to reproduce the observed polarization properties and the processes which induce their variability were investigated with a full-Stokes radiative transfer code which emulates the synchrotron emission of modeled jets. The model was
Funnily enough, it is the evolution of scientific progress itself that almost dictates this silliness will eventually evaporate. 800 years ago the earth was flat, and the center of the known universe. Man was the sole intelligent life form in the universe. Two of those hallowed assumptions have been felled by science, and it is science itself that is slowly creeping to a grudging acknowledgement that the universe is likely teeming with life. Embracing scientific bias religiously, you can actually calculate almost to the decade the exact time modern science will embrace the existence of intelligent extraterrestrial life. That is… the day _we_ figure out how to go there and find it. Applause all around. We may not ultimately be the most intelligent lifeforms in the universe… but were the most intelligent lifeforms in the universe… in our own minds. Standing ovation for modern science. ...
With SETIs search for extraterrestrial life running on all cylinders again, two questions must be raised: How do we make contact? And how do we make meaningful contact? Big Think asked |a href=http://bigthink.com/users/bill-nye|Bill Nye|/a|, aka, The Science Guy, who heads |a href=http://planetary.org/about/bill_nye.html|The Planetary Society|/a|.
One will sniff, dig and bake. Two others will roam, grind and bore. Together, they could revolutionize our knowledge of the red planet and extraterrestrial life.
This issue of Answers points a telescope at the heavens. Explore evidences that the universe is young, from blue stars to spiral galaxies. Get up-to-date on the search for extraterrestrial life, and be the first to read Dr. Jason Lisles new model explaining distant starlight. You also dont want to miss articles on living fossils and other wonders of our own planet that point to a recent creation and global Flood.. Browse Issue Subscribe ...
The Uniqueness Hypothesis The Inanimate Universe and its Consequences for Mankind Scientific Fundamentals of a Cosmic Civil Religion Summary Recent scientific research shows that there might be no extraterrestrial life in the Universe - a conclusion that leads to unexpectedly fruitful speculations. Abstract In the 21st century the majority of humans including most…
Neil deGrasse Tyson speaks with traditional Polynesian voyager Nainoa Thompson about how to navigate to far-off destinations without the use of any modern navigation tools. ? Subscribe: http://bit.ly/NatGeoSubscribe ? STARTALK AIRS SUNDAYS 11/10c. About StarTalk: Host Neil deGrasse Tyson brings together celebrities, scientists and comedians to explore a variety of cosmic topics and collide pop culture with science in a way that late-night television has never seen before. Weekly topics range from popular science fiction, space travel, extraterrestrial life, the Big Bang, to the future of Earth and the environment. Tyson is an astrophysicist with a gifted ability to connect with everyone, inspiring us all to keep looking up. The studio audience portion of the series is filmed in the Cullman Hall of the Universe at the American Museum of Natural History?s Rose Center for Earth and Space in New York City ? where Tyson serves as the Frederick P. Rose Director of the Hayden Planetarium. Get More ...
Life continues to surprise us with its tenacity-a team of researchers from Montana State University has announced that its analysis of subglacial Lake Whillans in Antarctica has revealed a thriving ecosystem of hearty single-celled organisms. This reservoir of water has seen neither sunlight nor fresh air in hundreds of thousands of years, but still there are organisms living down there subsisting on ammonium and methane. And you thought you had it rough.. The organisms detected by MSU researchers are a type of bacteria-like creature known as archaea. Despite having a similar size and appearance to bacteria, archaea are a distinct kingdom of single-celled life. They are notable in biological and astronomical circles for being incredibly hearty creatures that could serve as a model for extraterrestrial life living in harsh environments. Basically, everywhere on Earth we thought life couldnt survive, there are archaea. They can be found clustered around boiling hot geothermal vents, swimming ...
GOOD GOD." GEORGE TREVOR pulled himself away from the computer screen, his light-brown eyes opened wide in disbelief. He was in Professor Crews Exoplanetary Research Lab on Stanford Universitys main campus. He swept a hand through thick, dark hair. "Its the signature weve been looking for, Nance. I cant believe it.". Nancy Simmons was on the other side of the lab, filing this weeks data sets from the high-resolution interferometer. The professor had an inherent distrust of computers and made his assistants file hard copies of all lab results.. She spun around. "What did you find?". George took a deep breath. "Exactly as we hypothesized, Nance. Pulses of energy at the M32 and C5 bands.". The two lab assistants had spent the last year scanning the constellation Cygnus looking for signs of extraterrestrial life. It was a project made possible by the launch of BioProbe, a satellite whose mission was to identify exoplanets and analyze their atmospheres, searching for unusual spectra or energy ...
Foreword of Origins of Life. In order to fully appreciate the complexity of life, one must first acknowledge the multiple definitions and applications of the word. Dr. Tom Davis, having a biological background, led a discussion that revealed the diverse connotations of the word "life," ultimately allowing us to interpret the different meanings and relate it to our being. The word "life" to one person could refer to the possibility of extraterrestrial life, while to another it could spark interest in life after death. As individuals, "life" could encompass numerous meanings, including synthetic life, the diversification of life, and its origin. Since the scope is so broad and can have multiple interpretations, there is the necessity for a universal definition to divide the broad range into general categories. There are two main definitions of life; life as a property and life as a category. Life as a property is specified as the unique or defining characteristics of living things. An example of ...
The Daily Galaxy -Great Discoveries Channel, is an eclectic presentation of news and original insights on science, space exploration, and the search for extraterrestrial life.
Looking for life elsewhere is a tough task for human or robot. The good news is that the scientific skill and tools to search for, detect and inspect extraterrestrial life are advancing rapidly.
Dont dismiss the sci-fi stars admission that she believes in extraterrestrial life - theres a very strong case to make that it exists
We venture to the Phoenix stop of the Vans Warped Tour to talk with bands and fans about their views related to UFOs and intelligent extraterrestrial life. We also discuss a collaboration between UK astronomers to search for extraterrestrials. That and other space and UFO news on this episode of Spacing Out! AIR DATE: 7/12/13. Read More » ...
As it happens the scientific community has been mulling this question over a bit lately. Richard Aleyne, online Scientific Correspondent of U.K.s The Telegraph, reports that Professor Simon Conway Morris of Cambridge University believes any aliens out there would not only look like us but share our penchant for greed and other nasty habits. Morris plans to tell an upcoming conference of the Royal Society on extraterrestrial life that the options for developing lifeforms are "limited"-all roads lead to some kind of humanity, apparently, in Dr. Morriss view. But, then, the good professor is not so sure there is anyone else out there at all. He says it is "quiet, too quiet" in our galaxy. We should have heard from any fellow travelers by now. I say if they are anything like us in behavior were better off not knowing them. ...
Being a devout Christian, I naturally believe that there are simply no intelligent extraterrestrial life forms, period. But that is not to say I am hopelessly biased and incapable of rational critique of the phenomena, like so many of the so-called sceptical scientists that are interviewed in such videos. These people are so hopelessly blinded by their own ideology and arrogance that they cant even address the phenomena without working themselves up into a childishly arrogant hissy-fit. The opinions of these types of so-called scientists can legitimately be rejected out of hand as nothing more than pathetically myopic bigotry ...
g Imagining - Could the Kaylar, a Star Trek alien from "The Original Series pilot episode, "The Cage," exist? Like the Gorn, this alien appears to be drawn from our nightmares and hence serves a more dramatic effect than offering any speculation on exobiology. A tall humanoid with intriguing jaw features, skinny legs and broad shoulders, the Kaylar on Rigel VII is reminiscent of a barbarian warrior or an ogre. Brushing aside the nearly impossible parallel evolution between Earth and the Kaylars home world for such a creature to come about, there are a couple of possible ways that it could have gained its great height and skinny legs. Its planet might have lighter gravity, which means an indigent alien wouldnt fall as hard as we do on Earth; hence the supporting legs would not need to be as strong to hold up a little more weight than the typical human. In addition, we might speculate that as a humanoid, the Kaylar shared a similar primate evolution as humans, so possibly the savannah grass of ...
Over the past two decades, advances in a number of scientific disciplines have helped us better understand the nature and evolution of life on Earth. These scientific developments also have helped lay the foundation for astrobiology, opening up new possibilities for the existence of life in the Solar System and beyond.
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The detection and further study of extra-terrestrial life will fundamentally challenge our view of nature, including ourselves, and therefore the field of astrobiology can hardly be isolated from its societal context, including philosophical, ethical and theological perspectives (cf. [43]).. With the detection of extra-terrestrial life being technically feasible, one needs to address whether perceived societal benefits command us to search for it, or whether such an endeavour may rather turn out to be a threat to our own existence (cf. [44]). Modelled after the Torino Scale for asteroid/comet impact predictions [45] and the Rio Scale for a putative discovery of extra-terrestrial intelligence [46], the London Scale index (LSI) with values ranging from 0 to 10 together with an independently evaluated level of risk or biohazard [47] provides an assessment of the scientific importance, validity and potential risks associated with putative evidence of extra-terrestrial life discovered on Earth, on ...
The Cuatro Ciénegas Basin (CCB) in the state of Coahuila, Mexico, is a very diverse ecosystem with high endemism of flora and fauna. It is included in the Ramsar list of wetlands and considered as a...
MP3 download Reprogrammed cells heal wounds by Ian Woolf, Meow Ludo Meow Meow in conversation about the search for extra-terrestrial intelligence, realistic robots, growing plants in space, astrobiology, colonising Mars and Australias Space Agency. Fact and sound checking by Charles... ...
Classification of Living Things Chapter 18. http://analyzer.depaul.edu/astrobiology/kingdoms.jpg. TAXONOMY. Slideshow 101674 by Sophia
See the full presentation of this and other themes on the 2001 Principle Website.). According to growing numbers of scientists, the laws and constants of nature are so "finely-tuned," and so many "coincidences" have occurred to allow for the possibility of life, the universe must have come into existence through intentional planning and intelligence.. In fact, this "fine-tuning" is so pronounced, and the "coincidences" are so numerous, many scientists have come to espouse The Anthropic Principle, which contends that the universe was brought into existence intentionally for the sake of producing mankind.. Even those who do not accept The Anthropic Principle admit to the "fine-tuning" and conclude that the universe is "too contrived" to be a chance event.. In a BBC science documentary, "The Anthropic Principle," some of the greatest scientific minds of our day describe the recent findings which compel this conclusion.. Dr. Dennis Scania, the distinguished head of Cambridge University ...
I get regular emails about recent NASA news ans events and thought this was cool. For those of you that do not know a Trojan asteroid is an asteroid
The isotopes of a gas are separated by using a circularly polarized laser to excite a lower energy level to higher split intermediate energy levels, a second laser pulse of the same circular polarization is applied to said energized gas at a time .pi./.DELTA..omega. where .pi..DELTA. is the frequency splitting of the intermediate levels, to excite said excited intermediate levels to a higher energy level where an ionizing field ionizes the atoms or molecules in the higher level so that they may be separated from the un-ionized atoms or molecules of the other isotope.
Yoshio Yamaguchi, Yukari Yamamoto, Hiroyoshi Yamada, Jian Yang, Wolfgang-Martin Boerner: Classification of Terrain by Implementing the Correlation Coefficient in the Circular Polarization Basis Using X-Band POLSAR Data. IEICE Transactions 91-B(1): 297-301 (2008 ...
Si eres usuario de las redes sociales o no sabes de qué tratan, no te pierdas este sábado a las 8:30 pm hora del Este el nuevo programa de CNN en Español, en el que influencers le contarán a María Alejandra Requena cuál es la mejor forma de usar las redes sociales.
The orbit of Spitzer. The Earth orbits the Sun in a counterclockwise direction in this figure, and the frame of reference rotates with the Earth-Sun line to show how Spitzer trails behind. Viewed in a solar frame of reference, the Spitzer orbit is a ...
There is direct evidence that many of the earliest tetrapods and their fish ancestors lived in deltaic or marginal marine environments, so one way or another they must have passed through the tidal zone on the way from water to land," Alhberg said. "It could hardly have failed to have an effect on them, and we know that there are plenty of animals today that exploit the intertidal environment and live partly in, partly out of, the water ...
According to the ultrasound tech a few weeks ago, my due date is June 14, but that doesnt match up with the gestational age that she gave me at the ultrasound. After I got home I counted it back 40 weeks and her date was off by a week. My calculations had been closer to May 28 and the doctors had been May 25. So, I just dont know when Im due. I have an appointment Tuesday which will be the first one since I had the ultrasound, so well see what the doctor says and if he adjusts the date ...
La presente tesis doctoral se inscribe en la valoración del pensamiento de Otloh de San Emeramo, siglo XI. Un autor poco estudiado en el entorno de la Filosofía del Medioevo. A nuestro estudio lo hemos dividido en cuatro ...
Worse comes to worst, my people come first, but my tribe lives on every country on earth. I ll do anything to protect them from hurt, the human race is what I serve. - Baba Brinkman ...
Noah Patton has always been a fighter. After leaving his life on the streets behind, he turned his focus to fighting a different battle: revitalizing his community. In this short film by Dana Romanoff, hear his inspiring story of hope and redemption. The Short Film Showcase spotlights exceptional short videos created by filmmakers from around the web and selected by National Geographic editors. The filmmakers created the content presented, and the opinions expressed are their own, not those of National Geographic Partners.
After 40 weeks, 5 days, and 24 hours of labor, Grayson Jaoudeh dramatically entered our lives on 5/8/2017 at 5:21 pm. In my eyes, he is absolutely perfect and I cant believe that he is already one week old today! Once I hit 38 weeks, I was very ready to be done with pregnancy. But the […]. ...
Yes Ive been a slacker lately... but I did make a cute little mini for the TWS March swap at Life on the Scrapbeach. And luckily for everyone, my sweet trade partner made a video of the mini I sent. ...
Still, scientists have yet to see an extrasolar planet directly or even take a picture of one. Thus far, their presence has only been inferred from either their effect on the orbit of their host stars or by measuring the amount of infrared light they emit. The Spitzer Space Telescope is the only instrument that has successfully used the latter strategy. (To learn more about the Spitzer Space telescope, read Seeing the Invisible.). The job of finding and imaging extrasolar planets is extraordinarily difficult. The biggest challenge is the planets feeble luminosity. A star, fueled by nuclear reactions, is typically a billion times brighter than any orbiting planet, whose light is primarily reflected from the host star. This overwhelming brightness renders nearby extrasolar planets invisible to astronomers. Invisible does not mean undetectable, however.. The Telltale Wobble. One technique scientists use to detect extrasolar planets is to look for a slight wobble in the motion of the host stars. ...
Only in the past couple of decades has the extent to which life on Earth has colonized, evolved and thrived in a variety of deep ecosystems become evident. For example, recently a thermophilic anaerobic member of the genus Bacillus was obtained from a depth of about 2,700 metres below the surface in Virginia. If Earth is any guide, the question of life on Mars will remain very open until we have at least explored all the areas on Mars equivalent to those on Earth where life has been found. ...
I scrolled through the posts before pasting and copying the text below, which I read in an article pertaining initially to Titan (and posted in the Huygens Probe to Titan thread by me a few days ago). The relation to Mars is in the 3rd paragraph:. Although Titans underlying surface is thought to be water ice, the complex chemistry in the upper atmosphere might have resulted in the icy surface being at least partly covered in liquid ethane and methane and solid hydrocarbons. One class of the solid hydrocarbons, often referred to as Titan tholins (from the Greek word, muddy), was artificially created in a laboratory by a team led by the late Cornell astronomer Carl Sagan.. When scientists analyze the building blocks of tholins by burning them (pyrolysis), splitting up the tholins using plasma, scientists find a rich array of biomolecular building blocks such as pyrroles, pyrazines, pyridines and pyrimidines.. All of these molecules have played an important role in the evolution of terrestrial ...
The official answer from NASA/JPL is that the Curiosity Mission is designed to find evidence of the conditions for past life on Mars in rocks and soil - e.g., water and chemical compounds necessary for life. Any evidence of current life on Mars is outside the mission parameters of the Curiosity mission. This in itself is noteworthy given evidence that the 1976 Viking Mission conducted tests for life on Mars and the original results were positive, and then deemed inconclusive. The ensuing controversy has not abated with new scientific analysis upholding the original positive results that life was found on Mars.. Also, Dr Thomas Van Flandern former Chief Astronomer for the United States Naval Observatory released his own research findings about photos from the Mars Global Surveyor spacecraft that there was current vegetation on Mars in the form of shrubs, and trees. In an April 5, 2001 Press Conference at the National Press Club, Washington DC., he presented his evidence of vegetation on Mars ...
I wish news websites would stop listing their "most popular stories". Its depressing. I was just reading an article and I couldnt help but notice the "trending stories" sidebar. The number one, highest trending news article? "President Obama Likes Michelles New Bangs". The number five, much less popular story? "Scientists Discover Strongest Evidence Yet of Life on Mars.". On one hand we have …a womans fancy new wig. On the other, we have astronomers on the precipice of a discovery that could drastically revolutionize our understanding of the cosmos and challenge our conceptions about the nature and pervasiveness of life on the galactic scale. Again, over here weve got hair follicles hanging over some ladys forehead. Over there we have the potential to enlighten our notions of the universe while at the same time profoundly deepening its eternal beauty.. Hmmmmm. Yeah. YAWN. Now tell me more about those bangs.. Can you imagine how frustrated God must be? He put us in this endlessly ...
The prospect of life on Mars is no longer obscene. Is a one-way trip to the red planet nonsensical? Or is it a necessary step in humanitys progression? We talk to Josh Richards, who may be shot to Mars - to stay.
The mystery of whether theres life on Mars deepened as NASAs Curiosity rover recorded a big spike in methane over the last few months.
The mystery of whether theres life on Mars deepened as NASAs Curiosity rover recorded a big spike in methane over the last few months.
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Worlds most comprehensive interactive database of extrasolar planets updated daily since 1995. Detailed information on planet HD 209458 b orbiting around star HD 209458.
Worlds most comprehensive interactive database of extrasolar planets updated daily since 1995. Detailed information on planet HD 40307 b orbiting around star HD 40307.
13 - 2004 Skywatch Investigations George A. Filer, Director MUFON Eastern March 17, 2004, Webmaster: Chuck Warren -- My website is at: www.georgefiler.com/ Is Earth a Colony of Mars? The Filer Research Institute is dedicated to finding evidence for extraterrestrial life in the universe and for providing reports of these encounters. Dr. Gilbert Levin says Viking Lander Found Life on Mars, More Mars Symbols Found by Expert in Israel, Dr. Johnstone s Living Blueberry Analysis, Rovers Take Images of UFOs, Meteorite Yields Evidence of Primitive Life On Early Mars, New Jersey Elongated Disc UFO, Tennessee Family Sees Flying Saucers, Missouri -Orange Spheres, Iowa - Flying Saucer and Red Marks, Missouri -Orange Spheres, Washington Investigation of Entity Pulls Man From Trailer, Hawaii - Distant Moving Star, Canada Bright Ring of Red Lights, UK/Scotland - Disk Seen for Several Nights, England - Diamond Hovers, Sweden Fast Moving Lights, and New Zealand - Nine Orange lights Head Out To Sea Dr. Gilbert ...
Scientists studying meteorite that fell to Earth from Mars identify organic compounds and certain molecules they say are evidence that primitive life once lived on planet; discovery of polycyclic aromatic hydrocarbons, first organic molecules ever seen in Martian rock, is being hailed as startling and compelling evidence that at least microbial life existed on Mars long ago, when planet was warmer and wetter; molecules found in rock, which left Mars some 15 million years ago, are being described as fossil trace of past biological activity; NASA Administrator Daniel S Goldin and other members of scientific community comment; diagram (M)