Anniversaries and Special Events: Occasions to commemorate an event or occasions designated for a specific purpose.History, 20th Century: Time period from 1901 through 2000 of the common era.History, 21st Century: Time period from 2001 through 2100 of the common era.History, 19th Century: Time period from 1801 through 1900 of the common era.History, 16th Century: Time period from 1501 through 1600 of the common era.History of DentistryHistory, 17th Century: Time period from 1601 through 1700 of the common era.Societies, Scientific: Societies whose membership is limited to scientists.History, 18th Century: Time period from 1701 through 1800 of the common era.History, Medieval: The period of history from the year 500 through 1450 of the common era.Periodicals as Topic: A publication issued at stated, more or less regular, intervals.Societies, Medical: Societies whose membership is limited to physicians.Molecular Biology: A discipline concerned with studying biological phenomena in terms of the chemical and physical interactions of molecules.Biomedical Research: Research that involves the application of the natural sciences, especially biology and physiology, to medicine.Cardiology: The study of the heart, its physiology, and its functions.Centers for Disease Control and Prevention (U.S.): An agency of the UNITED STATES PUBLIC HEALTH SERVICE that conducts and supports programs for the prevention and control of disease and provides consultation and assistance to health departments and other countries.TennesseeFlight, Animal: The use of wings or wing-like appendages to remain aloft and move through the air.Baseball: A competitive nine-member team sport including softball.Encyclopedias as Topic: Works containing information articles on subjects in every field of knowledge, usually arranged in alphabetical order, or a similar work limited to a special field or subject. (From The ALA Glossary of Library and Information Science, 1983)Awards and PrizesSeasons: 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)ColoradoTorque: The rotational force about an axis that is equal to the product of a force times the distance from the axis where the force is applied.Firearms: Small-arms weapons, including handguns, pistols, revolvers, rifles, shotguns, etc.Politics: Activities concerned with governmental policies, functions, etc.Sports: Activities or games, usually involving physical effort or skill. Reasons for engagement in sports include pleasure, competition, and/or financial reward.Meteorology: The science of studying the characteristics of the atmosphere such as its temperature, density, winds, clouds, precipitation, and other atmospheric phenomena and aiming to account for the weather in terms of external influences and the basic laws of physics. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)Athletes: Individuals who have developed skills, physical stamina and strength or participants in SPORTS or other physical activities.Particulate Matter: Particles of any solid substance, generally under 30 microns in size, often noted as PM30. There is special concern with PM1 which can get down to PULMONARY ALVEOLI and induce MACROPHAGE ACTIVATION and PHAGOCYTOSIS leading to FOREIGN BODY REACTION and LUNG DISEASES.Athletic Injuries: Injuries incurred during participation in competitive or non-competitive sports.Physical Education and Training: Instructional programs in the care and development of the body, often in schools. The concept does not include prescribed exercises, which is EXERCISE THERAPY.Bombs: A weapon designed to explode when deployed. It frequently refers to a hollow case filled with EXPLOSIVE AGENTS.Correspondence as Topic: Communication between persons or between institutions or organizations by an exchange of letters. Its use in indexing and cataloging will generally figure in historical and biographical material.Shoulder: Part of the body in humans and primates where the arms connect to the trunk. The shoulder has five joints; ACROMIOCLAVICULAR joint, CORACOCLAVICULAR joint, GLENOHUMERAL joint, scapulathoracic joint, and STERNOCLAVICULAR joint.KansasFraser Syndrome: Rare autosomal recessive congenital malformation syndrome characterized by cryptophthalmos, SYNDACTYLY and UROGENITAL ABNORMALITIES. Other anomalies of bone, ear, lung, and nose are common. Mutations on FRAS1 and FREM2 are associated with the syndrome.Artificial Intelligence: Theory and development of COMPUTER SYSTEMS which perform tasks that normally require human intelligence. Such tasks may include speech recognition, LEARNING; VISUAL PERCEPTION; MATHEMATICAL COMPUTING; reasoning, PROBLEM SOLVING, DECISION-MAKING, and translation of language.Algorithms: A procedure consisting of a sequence of algebraic formulas and/or logical steps to calculate or determine a given task.Medicare: Federal program, created by Public Law 89-97, Title XVIII-Health Insurance for the Aged, a 1965 amendment to the Social Security Act, that provides health insurance benefits to persons over the age of 65 and others eligible for Social Security benefits. It consists of two separate but coordinated programs: hospital insurance (MEDICARE PART A) and supplementary medical insurance (MEDICARE PART B). (Hospital Administration Terminology, AHA, 2d ed and A Discursive Dictionary of Health Care, US House of Representatives, 1976)BelgiumBooksEuthanasia: The act or practice of killing or allowing death from natural causes, for reasons of mercy, i.e., in order to release a person from incurable disease, intolerable suffering, or undignified death. (from Beauchamp and Walters, Contemporary Issues in Bioethics, 5th ed)Book SelectionBook Reviews as Topic: Critical analyses of books or other monographic works.EuropeRare BooksHospitals, County: Hospitals controlled by the county government.Book PricesBooks, Illustrated: Books containing photographs, prints, drawings, portraits, plates, diagrams, facsimiles, maps, tables, or other representations or systematic arrangement of data designed to elucidate or decorate its contents. (From The ALA Glossary of Library and Information Science, 1983, p114)RestaurantsWisconsinScheuermann Disease: A type of juvenile osteochondrosis affecting the fibrocartilaginous disc (INTERVERTEBRAL DISC) in the thoracic or thoracolumbar region of the SPINE. It is characterized by a forward concave SPINAL CURVATURE or KYPHOSIS.Braces: Orthopedic appliances used to support, align, or hold parts of the body in correct position. (Dorland, 28th ed)Hemoglobin M: A group of abnormal hemoglobins in which amino acid substitutions take place in either the alpha or beta chains but near the heme iron. This results in facilitated oxidation of the hemoglobin to yield excess methemoglobin which leads to cyanosis.Cryptosporidiosis: Intestinal infection with organisms of the genus CRYPTOSPORIDIUM. It occurs in both animals and humans. Symptoms include severe DIARRHEA.Influenzavirus B: A genus of the family ORTHOMYXOVIRUS causing HUMAN INFLUENZA and other diseases primarily in humans. In contrast to INFLUENZAVIRUS A, no distinct antigenic subtypes of hemagglutinin (HEMAGGLUTININS) and NEURAMINIDASE are recognized.