Aceraceae: A plant family of the order Sapindales, subclass Rosidae, class Magnoliopsida. Leaves are opposite and usually toothed or lobed. The fruit, a samara (a winged nutlet), splits into two (rarely three) winged, one-seeded parts. This family is widely distributed in the Northern Hemisphere.Acer: A plant genus of the family ACERACEAE, best known for trees with palmately lobed leaves.GreenlandBiological Science Disciplines: All of the divisions of the natural sciences dealing with the various aspects of the phenomena of life and vital processes. The concept includes anatomy and physiology, biochemistry and biophysics, and the biology of animals, plants, and microorganisms. It should be differentiated from BIOLOGY, one of its subdivisions, concerned specifically with the origin and life processes of living organisms.Jet Lag Syndrome: A chronobiologic disorder resulting from rapid travel across a number of time zones, characterized by insomnia or hypersomnolence, fatigue, behavioral symptoms, headaches, and gastrointestinal disturbances. (From Cooper, Sleep, 1994, pp593-8)Internet: A loose confederation of computer communication networks around the world. The networks that make up the Internet are connected through several backbone networks. The Internet grew out of the US Government ARPAnet project and was designed to facilitate information exchange.Portraits as Topic: Graphic representations, especially of the face, of real persons, usually posed, living or dead. (From Thesaurus for Graphic Materials II, p540, 1995)Societies, Scientific: Societies whose membership is limited to scientists.History, 17th Century: Time period from 1601 through 1700 of the common era.Phylogeny: The relationships of groups of organisms as reflected by their genetic makeup.Natural History: A former branch of knowledge embracing the study, description, and classification of natural objects (as animals, plants, and minerals) and thus including the modern sciences of zoology, botany, and mineralogy insofar as they existed at that time. In the 17th, 18th, and 19th centuries it was much used for the generalized pursuit of certain areas of science. (Webster, 3d ed; from Dr. James H. Cassedy, NLM History of Medicine Division)Botany: The study of the origin, structure, development, growth, function, genetics, and reproduction of plants.MuseumsTexasMichiganMexican Americans: Persons living in the United States of Mexican descent.Natural Science Disciplines: The sciences dealing with processes observable in nature.Retirement: The state of being retired from one's position or occupation.Flowers: The reproductive organs of plants.Cactaceae: The cactus plant family of the order Caryophyllales, subclass Caryophyllidae, class Magnoliopsida. Cacti are succulent perennial plants well adapted to dry regions.Copyright: It is a form of protection provided by law. In the United States this protection is granted to authors of original works of authorship, including literary, dramatic, musical, artistic, and certain other intellectual works. This protection is available to both published and unpublished works. (from Circular of the United States Copyright Office, 6/30/2008)BooksComputer Security: Protective measures against unauthorized access to or interference with computer operating systems, telecommunications, or data structures, especially the modification, deletion, destruction, or release of data in computers. It includes methods of forestalling interference by computer viruses or so-called computer hackers aiming to compromise stored data.Confidentiality: The privacy of information and its protection against unauthorized disclosure.Privacy: The state of being free from intrusion or disturbance in one's private life or affairs. (Random House Unabridged Dictionary, 2d ed, 1993)New YorkBook SelectionBook Reviews as Topic: Critical analyses of books or other monographic works.New York CityRare BooksBiodiversity: The variety of all native living organisms and their various forms and interrelationships.Atlases as Topic: Collections of illustrative plates, charts, etc., usually with explanatory captions.Pectinidae: A large family of mollusks in the class BIVALVIA, known commonly as scallops. They possess flat, almost circular shells and are found in all seas from shallow water to great depths.Conservation of Natural Resources: The protection, preservation, restoration, and rational use of all resources in the total environment.Campylobacter: A genus of bacteria found in the reproductive organs, intestinal tract, and oral cavity of animals and man. Some species are pathogenic.South AmericaCampylobacter fetus: A species of bacteria present in man and many kinds of animals and birds, often causing infertility and/or abortion.Ecosystem: A functional system which includes the organisms of a natural community together with their environment. (McGraw Hill Dictionary of Scientific and Technical Terms, 4th ed)EuropeSaccharum: A plant genus of the family POACEAE widely cultivated in the tropics for the sweet cane that is processed into sugar.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)Trees: Woody, usually tall, perennial higher plants (Angiosperms, Gymnosperms, and some Pterophyta) having usually a main stem and numerous branches.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.FloridaAir Pollution: The presence of contaminants or pollutant substances in the air (AIR POLLUTANTS) that interfere with human health or welfare, or produce other harmful environmental effects. The substances may include GASES; PARTICULATE MATTER; or volatile ORGANIC CHEMICALS.Soil Microbiology: The presence of bacteria, viruses, and fungi in the soil. This term is not restricted to pathogenic organisms.Environmental Pollution: Contamination of the air, bodies of water, or land with substances that are harmful to human health and the environment.Search Engine: Software used to locate data or information stored in machine-readable form locally or at a distance such as an INTERNET site.Information Storage and Retrieval: Organized activities related to the storage, location, search, and retrieval of information.Plants, Genetically Modified: PLANTS, or their progeny, whose GENOME has been altered by GENETIC ENGINEERING.Intellectual Property: Property, such as patents, trademarks, and copyright, that results from creative effort. The Patent and Copyright Clause (Art. 1, Sec. 8, cl. 8) of the United States Constitution provides for promoting the progress of science and useful arts by securing for limited times to authors and inventors, the exclusive right to their respective writings and discoveries. (From Black's Law Dictionary, 5th ed, p1014)Authorship: The profession of writing. Also the identity of the writer as the creator of a literary production.Software: Sequential operating programs and data which instruct the functioning of a digital computer.Access to Information: Individual's rights to obtain and use information collected or generated by others.PubMed: A bibliographic database that includes MEDLINE as its primary subset. It is produced by the National Center for Biotechnology Information (NCBI), part of the NATIONAL LIBRARY OF MEDICINE. PubMed, which is searchable through NLM's Web site, also includes access to additional citations to selected life sciences journals not in MEDLINE, and links to other resources such as the full-text of articles at participating publishers' Web sites, NCBI's molecular biology databases, and PubMed Central.Universities: Educational institutions providing facilities for teaching and research and authorized to grant academic degrees.Student Health Services: Health services for college and university students usually provided by the educational institution.Students: Individuals enrolled in a school or formal educational program.Airports: Terminal facilities used for aircraft takeoff and landing and including facilities for handling passengers. (from McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed.)Aviation: Design, development, manufacture, and operation of heavier-than-air AIRCRAFT.Phalaris: A plant genus of the family POACEAE.Tennis: A game played by two or four players with rackets and an elastic ball on a level court divided by a low net.Accidents, AviationGolf: A game whose object is to sink a ball into each of 9 or 18 successive holes on a golf course using as few strokes as possible.