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Warburg, Otto Heinrich

(Encyclopedia)Warburg, Otto Heinrich ŏtˈō hīnˈrĭkh värˈbo͝orkh [key], 1883–1970, German physiologist. He was director (1931–53) of the Kaiser Wilhelm Institute (now Max Planck Institute) for cell physi...

tanzanite

(Encyclopedia)tanzanite tănzănˈīt [key], beautiful gemstone discovered in 1967 in the Umba Valley near the Usambara Mts. in Tanzania, a precious variety of the mineral zoisite, a calcium aluminum silicate. Zois...

umkokola

(Encyclopedia)umkokola, small, thorny S and E African tree (Dovyalis caffra, also called kei-apple), widely cultivated in its native area for the round or oval bright yellow fruits. Their juicy pulp, acid in flavor...

cat's-eye

(Encyclopedia)cat's-eye, gemstone that displays a thin band of reflected light on its surface when cut as a cabochon. Its name is derived from its supposed resemblance to the eye of a cat. The optical effect, known...

Riley, Bridget

(Encyclopedia)Riley, Bridget, 1931–, English painter. Associated with the pop art movement, Riley covers large canvases with interlocking bands, undulating curves, scattered discs, or repeated squares or triangle...

coltsfoot

(Encyclopedia)coltsfoot, Eurasian perennial herb (Tussilago farfara) of the family Asteraceae (aster family), now a widespread weed in most northern lands. The scaly flower stalk bears a yellow flower head and down...

Finlay, Carlos Juan

(Encyclopedia)Finlay, Carlos Juan fĭnˈlē [key], 1833–1915, Cuban physician of Scottish and French descent; studied in France; M.D. Jefferson Medical College, Philadelphia, 1855. Settling in Havana, he began hi...

gaillardia

(Encyclopedia)gaillardia gālärˈdēə [key], any plant of the genus Gaillardia of the Asteaceae family (aster family), including annual, biennial, and perennial herbs with showy heads of red and/or yellow ray flo...

Jaisalmer

(Encyclopedia)Jaisalmer jəsälˈmər [key], former principality, Rajasthan state, NW India. Its terrain is largely a sandy or stony waste and constitutes a section of the Thar Desert. Jaisalmer was brought under t...

Auriga

(Encyclopedia)Auriga ôrīˈgə [key] [Lat.,=the charioteer or wagoner], northern constellation traditionally represented as a man, possibly Vulcan, carrying a goat on his shoulder while driving a chariot. It lies ...