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Sulston, Sir John Edward

(Encyclopedia)Sulston, Sir John Edward, 1942–2018, British molecular biologist, Ph.D. Cambridge, 1966. He was staff scientist at the MRC Laboratory of Molecular Biology in Cambridge, England, from 1969 to 1992, w...

Watson, James Dewey

(Encyclopedia)Watson, James Dewey, 1928–, American biologist and educator, b. Chicago, Ill., grad. Univ. of Chicago, 1947, Ph.D. Univ. of Indiana, 1950. With F. H. C. Crick he began (1951) research on the molecul...

bonobo

(Encyclopedia)bonobo, smaller of two species of chimpanzee, genus Pan. Whereas the common chimpanzee, P. troglodytes, lives in forests across most of equatorial Africa, the bonobo, P. paniscus (sometimes called the...

dinosaur

(Encyclopedia)dinosaur dīˈnəsôr [key] [Gr., = terrible lizard], extinct land reptile of the Mesozoic era. The dinosaurs, which were egg-laying animals, ranged in length from 21⁄2 ft (91 cm) to about 127 f...

star

(Encyclopedia)star, hot incandescent sphere of gas, held together by its own gravitation, and emitting light and other forms of electromagnetic radiation whose ultimate source is nuclear energy. The universe co...

Dostoyevsky, Feodor Mikhailovich

(Encyclopedia)Dostoyevsky or Dostoevsky, Feodor Mikhailovich fyôˈdər mēkhīˈləvĭch dəstəyĕfˈskē [key], 1821–81, Russian novelist, one of the towering figures of world literature. Notes from the Unde...

Achilles' tendon

(Encyclopedia)Achilles' tendon (tendo calcaneus) tĕnˈdō kălkāˈnēəs [key], sinew prominent at the back of the ankle, connecting the tendons of the calf muscles to the heelbone. When the musculature contracts...

Avempace

(Encyclopedia)Avempace āˈvəmpās, äˌvĕmpäˈthā [key], Arabic Ibn Bajja, d. 1138, Spanish-Arab philosopher. Little is known of his life, but he was born in Zaragoza and died in Fès, Morocco. Developing the ...

Murdock, George Peter

(Encyclopedia)Murdock, George Peter, 1897–1985, American anthropologist, b. Meriden, Conn., grad. Yale (B.A., 1919; Ph.D., 1925). He taught at Yale and later at the Univ. of Pittsburgh, becoming Mellon Professor ...

Ragnarok

(Encyclopedia)Ragnarok rägˈnərŏkˌ [key], in Norse mythology, the doom of the gods. According to prophecy the end of the world would follow a severe ice age, in which human civilization would be destroyed. Then...