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carbon cycle

(Encyclopedia)CE5 Carbon cycle carbon cycle, in biology, the exchange of carbon between living organisms and the nonliving environment. Inorganic carbon dioxide in the atmosphere is converted by plants into sim...

Reagan, Ronald Wilson

(Encyclopedia)Reagan, Ronald Wilson rāˈgən [key], 1911–2004, 40th president of the United States (1981–89), b. Tampico, Ill. In 1932, after graduation from Eureka College, he became a radio announcer and spo...

Bush, George Herbert Walker

(Encyclopedia)Bush, George Herbert Walker, 1924–2018, 41st President of the United States (1989–93), b. Milton, Mass., B.A., Yale Univ., 1948. Bush's handling of domestic affairs was less successful. The savi...

Reich, Wilhelm

(Encyclopedia)Reich, Wilhelm vĭlˈhĕlm rīkh [key], 1897–1957, Austrian psychiatrist and biophysicist. For many years a chief associate at Freud's Psychoanalytic Polyclinic in Vienna, he later broke with Freud ...

Richter, Burton

(Encyclopedia)Richter, Burton rĭkˈtər [key], 1931–2018, American physicist, b. New York City, Ph.D. Massachusetts Institute of Technology, 1956. A professor at Stanford, Richter designed and built a particle a...

chemosynthesis

(Encyclopedia)chemosynthesis, process in which carbohydrates are manufactured from carbon dioxide and water using chemical nutrients as the energy source, rather than the sunlight used for energy in photosynthesis....

wave, in physics

(Encyclopedia)wave, in physics, the transfer of energy by the regular vibration, or oscillatory motion, either of some material medium or by the variation in magnitude of the field vectors of an electromagnetic fie...

McNaughton, Andrew George Latta

(Encyclopedia)McNaughton, Andrew George Latta məknôtˈən [key], 1887–1966, Canadian general, b. Saskatchewan. An artillery officer in World War I, he was later (1929–35) Canadian chief of staff. In World War...

Waxman, Henry Arnold

(Encyclopedia)Waxman, Henry Arnold, 1939–, U.S. congressman, b. Los Angeles, grad. Univ. of California, Los Angeles. (B.A., 1961; J.D., 1964). After serving (1969–74) in the California state assembly, he won (1...

nihonium

(Encyclopedia)nihonium nĭhōˈnēəm [key], artificially produced radioactive chemical element; symbol Nh; at. no. 113; mass number of most stable isotope 284; m.p., b.p., sp. gr., and valence unknown. Situated in...