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mare's-tail

(Encyclopedia)mare's-tail, any plant of the genus Hippuris, perennial, submerged aquatic herbs of temperate and frigid regions. Mare's-tails have an erect stem bearing whorls of small leaves, so they resemble some ...

Malindi

(Encyclopedia)Malindi mälĭnˈdē [key], town, SE Kenya, on the Indian Ocean. It is a beach resort and a commercial center. Probably founded in the 10th cent. by Arab traders, Malindi became an important city-stat...

okapi

(Encyclopedia)okapi ōkăpˈē [key], nocturnal ruminant mammal, Okapia johnstoni, of the giraffe family. It inhabits the almost sunless rain forests of the upper Congo and feeds on leaves. Its shape is reminiscent...

bandicoot

(Encyclopedia)bandicoot, small marsupial mammal native to Australia and nearby islands. There are 19 species in eight genera. Bandicoots have long, pointed, shrewlike faces; gray or brown fur; and long, bushy, ratl...

pondweed

(Encyclopedia)pondweed, common name for the family Potamogetonaceae, and for weedy aquatic herbs of the genus Potamogeton, of which about 50 known species inhabit North American ponds and slow streams. They have sl...

Silver Springs

(Encyclopedia)Silver Springs, mineral spring, N central Fla., source of the Silver River. The limestone spring, one of the world's largest and most famous, has a basin 80 ft (24 m) deep and 300 ft (91 m) wide. The ...

myoglobin

(Encyclopedia)myoglobin mīˌəglōˈbĭn [key], protein molecule isolated from the cells of vertebrate skeletal muscle that is both a structural and functional relative of hemoglobin, the oxygen-transport protein ...

Verrocchio, Andrea del

(Encyclopedia)Verrocchio, Andrea del ändrĕˈä dĕl vār-rôkˈkyō [key], 1435–88, Florentine sculptor and painter, whose real name was Andrea di Michele di Francesco di Cioni. He was a leading figure in the e...

Campbell, Keith

(Encyclopedia)Campbell, Keith, 1954–2012, British cell biologist, b. Birmingham, England, Ph.D. Univ. of Sussex, 1986. In 1991 he joined the Edinburgh Research Station of Animal Physiology and Genetics Research (...

capybara

(Encyclopedia)capybara kăpĭbârˈə [key], mammal of Central and much of South America. It is the largest living member of the order Rodentia (the rodents) reaching a length of 4 ft (120 cm) and a weight of 75 to...