Desert Climate: A type of climate characterized by insufficient moisture to support appreciable plant life. It is a climate of extreme aridity, usually of extreme heat, and of negligible rainfall. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)Nursing Homes: Facilities which provide nursing supervision and limited medical care to persons who do not require hospitalization.Face: The anterior portion of the head that includes the skin, muscles, and structures of the forehead, eyes, nose, mouth, cheeks, and jaw.Home Care Services: Community health and NURSING SERVICES providing coordinated multiple services to the patient at the patient's homes. These home-care services are provided by a visiting nurse, home health agencies, HOSPITALS, or organized community groups using professional staff for care delivery. It differs from HOME NURSING which is provided by non-professionals.Homes for the Aged: Geriatric long-term care facilities which provide supervision and assistance in activities of daily living with medical and nursing services when required.Plants, Genetically Modified: PLANTS, or their progeny, whose GENOME has been altered by GENETIC ENGINEERING.Grasshoppers: Plant-eating orthopterans having hindlegs adapted for jumping. There are two main families: Acrididae and Romaleidae. Some of the more common genera are: Melanoplus, the most common grasshopper; Conocephalus, the eastern meadow grasshopper; and Pterophylla, the true katydid.Silene: A plant genus of the family CARYOPHYLLACEAE. The common name of campion is also used with LYCHNIS. The common name of 'pink' can be confused with other plants.Marantaceae: A plant family of the order ZINGIBERALES, subclass Zingiberidae, class Liliopsida.Weather: The state of the ATMOSPHERE over minutes to months.Butterflies: Slender-bodies diurnal insects having large, broad wings often strikingly colored and patterned.Urtica dioica: A plant species of the genus Urtica, family URTICACEAE. Roots have been used to treat PROSTATIC HYPERPLASIA. Leaves are edible after the stinging quality is eliminated by brief heating.Flowers: The reproductive organs of plants.Hematemesis: Vomiting of blood that is either fresh bright red, or older "coffee-ground" in character. It generally indicates bleeding of the UPPER GASTROINTESTINAL TRACT.Soil: The unconsolidated mineral or organic matter on the surface of the earth that serves as a natural medium for the growth of land plants.Food Supply: The production and movement of food items from point of origin to use or consumption.Soil Microbiology: The presence of bacteria, viruses, and fungi in the soil. This term is not restricted to pathogenic organisms.Trichuris: A genus of nematode worms comprising the whipworms.Soil Pollutants: Substances which pollute the soil. Use for soil pollutants in general or for which there is no specific heading.Food Industry: The industry concerned with processing, preparing, preserving, distributing, and serving of foods and beverages.Government: The complex of political institutions, laws, and customs through which the function of governing is carried out in a specific political unit.Trees: Woody, usually tall, perennial higher plants (Angiosperms, Gymnosperms, and some Pterophyta) having usually a main stem and numerous branches.Mycobacterium: A genus of gram-positive, aerobic bacteria. Most species are free-living in soil and water, but the major habitat for some is the diseased tissue of warm-blooded hosts.Plant Stems: Parts of plants that usually grow vertically upwards towards the light and support the leaves, buds, and reproductive structures. (From Concise Dictionary of Biology, 1990)Fagus: A plant genus of the family FAGACEAE.Maple Syrup Urine Disease: An autosomal recessive inherited disorder with multiple forms of phenotypic expression, caused by a defect in the oxidative decarboxylation of branched-chain amino acids (AMINO ACIDS, BRANCHED-CHAIN). These metabolites accumulate in body fluids and render a "maple syrup" odor. The disease is divided into classic, intermediate, intermittent, and thiamine responsive subtypes. The classic form presents in the first week of life with ketoacidosis, hypoglycemia, emesis, neonatal seizures, and hypertonia. The intermediate and intermittent forms present in childhood or later with acute episodes of ataxia and vomiting. (From Adams et al., Principles of Neurology, 6th ed, p936)Wood: A product of hard secondary xylem composed of CELLULOSE, hemicellulose, and LIGNANS, that is under the bark of trees and shrubs. It is used in construction and as a source of CHARCOAL and many other products.Acer: A plant genus of the family ACERACEAE, best known for trees with palmately lobed leaves.Gardening: Cultivation of PLANTS; (FRUIT; VEGETABLES; MEDICINAL HERBS) on small plots of ground or in containers.Therapeutic Community: Psychotherapeutic technique which emphasizes socioenvironmental and interpersonal influences in the resocialization and rehabilitation of the patient. The setting is usually a hospital unit or ward in which professional and nonprofessional staff interact with the patients.Australia: The smallest continent and an independent country, comprising six states and two territories. Its capital is Canberra.Self-Help Groups: Organizations which provide an environment encouraging social interactions through group activities or individual relationships especially for the purpose of rehabilitating or supporting patients, individuals with common health problems, or the elderly. They include therapeutic social clubs.Dental Informatics: The application of computer and information sciences to improve dental practice, research, education and management.Social Networking: Individuals connecting by family, work or other interests. It also includes connectivity facilitated by computer-based communications.Online Systems: Systems where the input data enter the computer directly from the point of origin (usually a terminal or workstation) and/or in which output data are transmitted directly to that terminal point of origin. (Sippl, Computer Dictionary, 4th ed)Vegetables: A food group comprised of EDIBLE PLANTS or their parts.Fruit: The fleshy or dry ripened ovary of a plant, enclosing the seed or seeds.United States Health Resources and Services Administration: A component of the PUBLIC HEALTH SERVICE that provides leadership related to the delivery of health services and the requirements for and distribution of health resources, including manpower training.Orchidaceae: A plant family of the order Orchidales, subclass Liliidae, class Liliopsida (monocotyledons). All orchids have the same bilaterally symmetrical flower structure, with three sepals, but the flowers vary greatly in color and shape.LaunderingDisinfection: Rendering pathogens harmless through the use of heat, antiseptics, antibacterial agents, etc.Financing, Government: Federal, state, or local government organized methods of financial assistance.Bromeliaceae: A plant family of the order Bromeliales, subclass Zingiberidae, class Liliopsida (monocotyledons).Schools: Educational institutions.Orchiopexy: A surgical procedure in which an undescended testicle is sutured inside the SCROTUM in male infants or children to correct CRYPTORCHIDISM. Orchiopexy is also performed to treat TESTICULAR TORSION in adults and adolescents.Quercus: A plant genus of the family FAGACEAE that is a source of TANNINS. Do not confuse with Holly (ILEX).Pupil: The aperture in the iris through which light passes.Biodiversity: The variety of all native living organisms and their various forms and interrelationships.School Nursing: A nursing specialty concerned with health and nursing care given to primary and secondary school students by a registered nurse.Students: Individuals enrolled in a school or formal educational program.