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Roundup of Recent Science Discoveries, 1999

Ancestor of Mammals Discovered The fossil skull of a 260-million-year-old sheep-sized animal was found near Williston on the Northern Cape, South Africa. It is the most primitive member yet…

Science Discoveries: Cosmic Dust & Snotties

Cosmic Dust and Snotties:Recent Discoveries In 1998 we have seen several notable and surprising scientific discoveries. Here are the finds that raised our eyebrows, made us scratch our heads…

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…

Debby Ryan

Deborah Ann "Debby" Ryan is a TV star of the Disney Channel, best known as Bailey Pickett on the series The Suite Life on Deck, the spin-off of the hit series The Suite Life of Zack & Cody.…

Fred Flintstone

Fred Flintstone was the prehistoric dad in the animated comedy The Flintstones, a prime-time TV series that aired from 1960-66. Fred was a blustery, egotistical Stone Age family man who lived in the…

Winsor McCay

Name at birth: Zenas Winsor McCayWinsor McCay was a newspaper cartoonist of the early 20th century who gained national fame through his detailed and phantasmagorical strips Little Nemo in Slumberland…

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…