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prion

(Encyclopedia)prion prēˈŏn [key], abnormal form of a protein found in mammals, now generally believed to cause a group of diseases known as prion diseases or transmissible spongiform encephalopathies, which are ...

food preservation

(Encyclopedia)food preservation, methods of preparing food so that it can be stored for future use. Because most foods remain edible for only a brief period of time, people since the earliest ages have experimented...

Australian aborigines

(Encyclopedia)Australian aborigines, indigenous peoples of Australia. The first modern humans in Australia probably came from somewhere in Asia more than 40,000 years ago, most likely sometime between 55,000 and 10...

Mbeki, Thabo Mvuyelwa

(Encyclopedia)Mbeki, Thabo Mvuyelwa täˈbō mvo͝oyĕlˈə mbĕkˈē [key], 1942–, South African political leader. Mbeki was born into a politically active family; his father, Govan Mbeki, an official with the A...

lake, body of water

(Encyclopedia)lake, inland body of standing water occupying a hollow in the earth's surface. The study of lakes and other freshwater basins is known as limnology. Lakes are of particular importance since they act a...

Boulez, Pierre

(Encyclopedia)Boulez, Pierre pyĕr bo͞olĕzˈ [key], 1925–2016, French conductor and composer of modernist classical music. He studied at the Paris Conservatory with Olivier Messiaen (1944–45) and studied twel...

Pinter, Harold

(Encyclopedia)Pinter, Harold, 1930–2008, English dramatist. Born in Hackney in London's East End, the son of an English tailor of Eastern European Jewish ancestry, he studied at London's Royal Academy of Dramatic...

Etruscan civilization

(Encyclopedia)Etruscan civilization, highest civilization in Italy before the rise of Rome. The core of the territory of the Etruscans, known as Etruria to the Latins, was northwest of the Tiber River, now in moder...

interference

(Encyclopedia)CE5 Constructive interference: Two crests or two troughs meet and combine (A, B, C). Destructive interference: A crest and a trough meet and cancel each other (D, E, F). interference, in physics, ...

Ford, Henry

(Encyclopedia)Ford, Henry, 1863–1947, American industrialist, pioneer automobile manufacturer, b. Dearborn, Mich. Henry Ford's son, Edsel Bryant Ford, 1893–1943, b. Detroit, shared in the control of the vast ...