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rainmaking

(Encyclopedia) rainmaking, production of rain by artificial means now generally disregarded, though it is probable that rainmaking hastens or increases rainfall from clouds suitable for natural…

le Carré, John

(Encyclopedia) le Carré, Johnle Carré, Johnlə kärāˈ [key], pseud. of David John Moore Cornwell, 1931–2020, English novelist. He was a tutor at Eton College (1956–58), and subsequently worked for the…

frostbite

(Encyclopedia) frostbite (chilblains), injury to the tissue caused by exposure to cold, usually affecting the extremities of the body, such as the hands, feet, ears, or nose. Extreme cold causes the…

Weather: Blowing Cold and Hot: The Big Ones

Blowing Cold and Hot: The Big OnesWeatherBlowing Cold and Hot: The Big OnesWinter Gone SouthBig-City SnowsStorm of the Century?The Greatest One of AllModern Winter of Deep SnowsGalveston Storm…

echinacea

(Encyclopedia) echinaceaechinaceaĕkˌənāˈshēə [key], popular herbal remedy, or botanical, believed to benefit the immune system. It is used especially to alleviate common colds and the flu. Several…

greenhouse

(Encyclopedia) greenhouse, enclosed glass house used for growing plants in regulated temperatures, humidity, and ventilation. A greenhouse can range from a small room carrying a few plants over the…

Challenger

(Encyclopedia) Challenger, U.S. space shuttle. It exploded (Jan. 28, 1986) 73 seconds into its tenth flight, killing all seven crew members, including the first civilian in space, schoolteacher…

entropy

(Encyclopedia) entropyentropyĕnˈtrəpē [key], quantity specifying the amount of disorder or randomness in a system bearing energy or information. Originally defined in thermodynamics in terms of heat…

Roberts, Richard John

(Encyclopedia) Roberts, Richard John, 1943–, British biochemist, Ph.D., Univ. of Sheffield, 1968. Roberts joined James D. Watson's Cold Spring Harbor Laboratory in New York in 1972, becoming…