period of free oscillations
51Global Energy and Water Cycle Experiment — The Global Energy and Water Cycle Experiment (GEWEX) is a research program of the World Climate Research Programme intended to observe, comprehend and models the Earth s water cycle. The experiment also observes how much energy the Earth receives …
52El Niño-Southern Oscillation — El Niño redirects here. For other uses, see El Niño (disambiguation). ENSO redirects here. For other uses, see Enso (disambiguation). The 1997 El Niño observed by TOPEX/Poseidon. The white areas off the tropical coasts of South and North America… …
53global warming — an increase in the earth s average atmospheric temperature that causes corresponding changes in climate and that may result from the greenhouse effect. [1975 80] * * * Potential increase in global average surface temperatures resulting from… …
54radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… …
55biological development — Introduction the progressive changes in size, shape, and function during the life of an organism by which its genetic potentials (genotype) are translated into functioning mature systems (phenotype). Most modern philosophical outlooks would …
56Islam — Islamic /is lam ik, lah mik, iz /, Islamitic /is leuh mit ik, iz /, adj. /is lahm , iz , is leuhm, iz /, n. 1. the religious faith of Muslims, based on the words and religious system founded by the prophet Muhammad and taught by the Koran, the… …
57Colin Pittendrigh — (October 13, 1918 March 19, 1996)[1] was a US American biologist of English parentage. He is a co founder of modern chronobiology along with Jürgen Aschoff and Erwin Bünning. Contents 1 Life 2 Work …
58Climate change — For current and future climatological effects of human influences, see global warming. For the study of past climate change, see paleoclimatology. For temperatures on the longest time scales, see geologic temperature record …
59Blood pressure — For information about high blood pressure, see Hypertension. Blood pressure Diagnostics A sphygmomanometer, a device used for measuring arterial pressure. MeSH …
60Empire of Brazil — Império do Brasil ← …
