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Andrews, Roy Chapman

(Encyclopedia) Andrews, Roy Chapman, 1884–1960, American naturalist and explorer, b. Beloit, Wis., B.A. Beloit College, 1906, M.A. Columbia Univ., 1913. Associated with the American Museum of Natural…

Asimov, Isaac

(Encyclopedia) Asimov, IsaacAsimov, Isaacăzˈəmŏf [key], 1920–92, American author and scientist, b. Petrovichi, USSR, grad. Columbia (B.S., 1939; M.A., 1941; Ph.D., 1948). An astonishingly prolific…

reptile

(Encyclopedia) reptile, name for the dry-skinned, usually scaly, cold-blooded vertebrates (see Chordata) of the order Reptilia. Reptiles are found in a variety of habitats throughout the warm and…

DK Science: Extinction

METEOR STRIKEISLAND ISOLATIONCAPTIVE BREEDINGFIND OUT MORESince life on Earth began, a huge number of animals have appeared, flourished and then disappeared again. These disappearances are…

DK Nature: Prehistoric Life

WHAT WERE THE FIRST FORMS OF LIFE? WHAT WERE THE FIRST LIFE FORMS ON LAND? ICE AGESFIND OUT MORELife between the appearance of the first organisms, 3.8 billion years ago (bya), and the first…

Fossils

Fossils are the remains or imprints of prehistoric plants or animals. They are found in sedimentary rock (rock formed from sand and mud), coal, tar, volcanic ash, fossilized tree sap or frozen in…

Laura Dern

actressBorn: 2/10/1967Birthplace: Los Angeles The daughter of actors Bruce Dern and Diane Ladd, she is a talented actress in her own right, having compiled a long list of serious acting credits at…

Notable Children's Videos of 2003

Company’s ComingHow Do Dinosaurs Say Good Night?The Hungry SquidI Love You Like Crazy CakesMartin’s Big WordsMax (Reading Rainbow)Merry Christmas, Space CaseMiss Twiggley’s TreeOperation CuckooOur…

Randall, Lisa

(Encyclopedia) Randall, Lisa, 1962–, American theoretical physicist and writer, b. New York City, B.A. Harvard University, 1983, Ph.D. Harvard…

DK Encyclopedia: Nature

  LIFE ON EARTH WHAT DO ALL LIVING THINGS HAVE IN COMMON? CAN LIFE EXIST WITHOUT SUNLIGHT? HOW DOES THE MOVEMENT OF EARTH AFFECT LIFE ON OUR PLANET? LIFE CYCLES CLASSIFICATION…