Prehistoric site found in Yemen

French archaeologists say they discovered a site in Yemen that dates to the Paleolithic Age.

Turtles focus of British seaside alert

People who find a turtle washed ashore on British or Irish ocean beaches are being asked to report it to help the endangered reptiles.

Snow havoc decimating Chinese forests

Nearly 67,000 square miles of forest land in China have been decimated by the worst snow storms endured by the country in the last five decades.

How red blood cells nuke their nuclei

Unlike the rest of the cells in your body, your red blood cells lack nuclei. That quirk dates back to the time when mammals began to evolve. Other vertebrates such as fish, reptiles, and birds, have red cells that contain ...