The cloning craze began in 1996, when scientists in Scotland astonished the world by announcing that they had successfully cloned an adult sheep. They called her Dolly. A clone is a copy of…
The first zoo in the U.S. opened in Philadelphia in 1859. Today, there are more than 200 zoos in the U.S., far more than in any other country. Here are some top U.S. and foreign zoos. San Diego…
People and animals have worked together for thousands of years. Some dogs guard against enemies, while others herd cattle. Cats hunt mice and other rodents, preventing them from stealing food and…
Audible Snowflakes and Other DiscoveriesMore science highlights discovered in 2000 by Otto Johnson More Discoveries IntroductionIce Age Haute CoutureAntisocial Brain…
When you help with household chores after school, you may dust or wash dishes. If you grew up 100 years ago, you may not have gone to school at all. You may have worked full time as a powder…
(Encyclopedia) Gates, Henry Louis, Jr., 1950–, American scholar and critic, b. Keyser, W.Va., B.A. Yale, 1973, Ph.D. Cambridge, 1979, where he studied with Wole Soyinka. Gates is an expert on African…
(Encyclopedia) Scopes trial, Tennessee legal case involving the teaching of evolution in public schools. A statute was passed (Mar., 1925) in Tennessee that prohibited the teaching in public schools…
