Occasions to commemorate an event or occasions designated for a specific purpose.
Time period from 1901 through 2000 of the common era.
Time period from 2001 through 2100 of the common era.
Time period from 1801 through 1900 of the common era.
Time period from 1501 through 1600 of the common era.
Time period from 1601 through 1700 of the common era.
Societies whose membership is limited to scientists.
Time period from 1701 through 1800 of the common era.
The period of history from the year 500 through 1450 of the common era.
A publication issued at stated, more or less regular, intervals.
Societies whose membership is limited to physicians.
A discipline concerned with studying biological phenomena in terms of the chemical and physical interactions of molecules.
Research that involves the application of the natural sciences, especially biology and physiology, to medicine.
The study of the heart, its physiology, and its functions.
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.
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.
Small-arms weapons, including handguns, pistols, revolvers, rifles, shotguns, etc.
Activities concerned with governmental policies, functions, etc.
Literary and oral genre expressing meaning via symbolism and following formal or informal patterns.
Warfare involving the use of NUCLEAR WEAPONS.
The use or threatened use of force or violence against persons or property in violation of criminal laws for purposes of intimidation, coercion, or ransom, in support of political or social objectives.
A competitive nine-member team sport including softball.
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)
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)
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.
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.
A procedure consisting of a sequence of algebraic formulas and/or logical steps to calculate or determine a given task.
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)
Sound that expresses emotion through rhythm, melody, and harmony.
A republic in western Africa, south of GUINEA and west of LIBERIA. Its capital is Freetown.
Days commemorating events. Holidays also include vacation periods.
A written account of a person's life and the branch of literature concerned with the lives of people. (Harrod's Librarians' Glossary, 7th ed)
Activities or games, usually involving physical effort or skill. Reasons for engagement in sports include pleasure, competition, and/or financial reward.
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)
Individuals who have developed skills, physical stamina and strength or participants in SPORTS or other physical activities.
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.
Injuries incurred during participation in competitive or non-competitive sports.
Instructional programs in the care and development of the body, often in schools. The concept does not include prescribed exercises, which is EXERCISE THERAPY.