Shrimp species latest Great Lakes invader

An invader shrimp, hopping a ride on an overseas freighter, has entered the Great Lakes, fulfilling an 8-year-old prediction by Canadian researchers.

Producer: teachers won't accept 'Truth'

U.S. teachers say they cannot show the environmental movie "An Inconvenient Truth" to their students because of a policy against endorsing projects.

Gengis Khan basecamp found in China

Chinese scholars have found a series of ancient wells they believe provided water for Genghis Khan's legendary hordes during their campaign in Western Xia.

U.S. eyeing return to nuclear energy

Thanks mainly to Bush administration policy, the United States could soon find itself re-embracing the use of nuclear power.

China striving for mummy identification

A group of Chinese scientists is attempting to identify a 2,800-year-old mummy of an apparently Caucasian man found in an ancient tomb.