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Hen

(Encyclopedia)Hen, in the Bible, man who was to have a memorial in the temple.

atomic number

(Encyclopedia)atomic number, often represented by the symbol Z, the number of protons in the nucleus of an atom, as well as the number of electrons in the neutral atom. Atoms with the same atomic number make up a c...

green flash

(Encyclopedia)green flash or emerald flash, a refractive phenomenon of the atmosphere where the top edge of the setting (or, less frequently, rising) sun will momentarily turn emerald green. The green color lasts f...

Franklin, Rosalind Elsie

(Encyclopedia)Franklin, Rosalind Elsie, 1920–58, English molecular biologist and chemist, grad. Newnham College, Cambridge (1941). She spent most of the war years (1942–45) working for the British Coal Utilisat...

aloe

(Encyclopedia)aloe ălˈō [key] [Gr.], any species of the genus Aloe, succulent perennials of the family Lilaceae (lily family), native chiefly to the warm dry areas of S Africa and also to tropical Africa, but cu...

Yonath, Ada E.

(Encyclopedia)Yonath, Ada E., 1939–, Israeli crystallographer, Ph.D. Weizmann Institute of Science, Rehovat, Israel, 1968. Yonath has been a researcher and professor at the Weizmann Institute since 1970. She was ...

Keith, Sir Arthur

(Encyclopedia)Keith, Sir Arthur, 1866–1955, British anatomist, b. Aberdeen, Scotland, educated at the Univ. of Aberdeen, University College, London, and the Univ. of Leipzig. He became conservator of the museum a...

Dubos, René Jules

(Encyclopedia)Dubos, René Jules rənāˈ zhül dübōˈ [key], 1901–82, American bacteriologist, b. France, Ph.D. Rutgers, 1927. He joined the Rockefeller Institute (now Rockefeller Univ.) in 1927 and became pro...

Radin, Paul

(Encyclopedia)Radin, Paul rāˈdĭn [key], 1883–1959, American anthropologist, b. Poland, grad., College of the City of New York, 1902, Ph.D. Columbia, 1911. He was a student of Franz Boas and studied the Winneba...

Prometheus, in Greek mythology

(Encyclopedia)Prometheus prōmēˈthēəs [key], in Greek mythology, great benefactor of mankind. He was the son of the Titan Iapetus and of Clymene or Themis. Because he foresaw the defeat of the Titans by the Oly...