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betel

(Encyclopedia)betel bēˈtəl [key], masticatory made from slices of betel palm seeds (called betel nuts) smeared onto a betel pepper leaf together with other aromatic flavorings and lime paste and rolled up. The b...

Saunders, Dame Cicely

(Encyclopedia)Saunders, Dame Cicely (Cicely Mary Strode Saunders), 1918–2005, British physician, a pioneer in the modern hospice movement. She left Oxford during World War II to become a nurse (1944) and, after w...

Sancar, Aziz

(Encyclopedia)Sancar, Aziz, 1946–, Turkish-American biochemist and molecular biologist, M.D. Istanbul Univ., 1969, Ph.D. Univ. of Texas at Dallas, 1977. From 1977to 1982, Sancar was a researcher at the Yale Schoo...

parakeet

(Encyclopedia)parakeet or parrakeet, common name for a widespread group of small parrots, native to the Indo-Malayan region and popular as cage birds. Parakeets have long, pointed tails, unlike the chunky lovebirds...

plastic surgery

(Encyclopedia)plastic surgery, surgical repair of congenital or acquired deformities and the restoration of contour to improve the appearance and function of tissue defects. Development of this specialized branch o...

tody

(Encyclopedia)tody tōˈdē [key], common name for small (3–4 in./9–10 cm) West Indian birds of the family Todidae, comprising the single genus Todus. Bright green above with red throats, they are forest birds ...

adolescence

(Encyclopedia)adolescence, time of life from onset of puberty to full adulthood. The exact period of adolescence, which varies from person to person, falls approximately between the ages 12 and 20 and encompasses b...

Doudna, Jennifer Anne

(Encyclopedia)Doudna, Jennifer Anne, 1964–, American biochemist, b. Washington, D.C., Ph.D. Harvard Medical School, 1989. Doudna was a professor at Yale from 1994 to 2002, when she joined the faculty at the Univ....

Massachusetts Institute of Technology

(Encyclopedia)Massachusetts Institute of Technology, at Cambridge; coeducational; chartered 1861, opened 1865 in Boston, moved 1916. It has long been recognized as an outstanding technological institute and its Slo...

Banting, Sir Frederick Grant

(Encyclopedia)Banting, Sir Frederick Grant, 1891–1941, Canadian physician, M.D. Univ. of Toronto, 1922. From 1923 he was professor of medical research at Toronto. Working with C. H. Best under the direction of J....