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heat exhaustion

(Encyclopedia) heat exhaustion, condition caused by overexposure to sunlight or another heat source and resulting in dehydration and salt depletion, also known as heat prostration. The symptoms are…

Wrangel, Baron Ferdinand Petrovich von

(Encyclopedia) Wrangel, Wrangell, or Vrangel, Baron Ferdinand Petrovich vonWrangel, Wrangell, or Vrangel, Baron Ferdinand Petrovich vonall: răngˈgəl, Rus. fyĕrdyēnäntˈ pētrôˈvĭch vôn vränˈgĭl [key],…

trust

(Encyclopedia) trust, in law, arrangement whereby property legally owned by one person is administered for the benefit of another. Three parties are ordinarily needed for the relation to arise: the…

Edmund Burke

The Question: I am looking for the person who said, "All that is needed for evil to thrive is for good people to do nothing." I have searched Bartlett's…

Chemistry: Intermolecular Forces

Intermolecular ForcesChemistryLiquids and Intermolecular ForcesWhat's a Liquid?Intermolecular ForcesThe Effects of Intermolecular Forces You may be familiar with the "ball pits" that can…

DK Science: Mobile Communications

EMERGENCY SERVICESMOBILE PHONESFIND OUT MOREMobile communications allows direct radio contact with people on the move, connecting them immediately, even in an emergency. Radio was originally…

will, in philosophy and psychology

(Encyclopedia) will, in philosophy and psychology, term used to describe that which is alleged to stimulate the motivation of purposeful activity. It is characteristic of the will that it can be…

harrow, in agriculture

(Encyclopedia) harrow, farm implement, consisting of a wooden or metal framework bearing metal disks, teeth, or sharp projecting points, called tines, which is dragged over plowed land to pulverize…