Virtual tour of the massacre at Wounded Knee from a museum dedicated to preserving the history of what happened there.

This detailed article on bones provides a diagram of the skeletal system, advice to keep bones healthy, and links to further related information. User has option to view Shockwave or non-Shockwave version of this website.

Some people like to think of scars as physical memories of events. Maybe that scar on your Dad's knee was from a cut he received after doing a really cool jump trick on his bike when he was a kid. Scars can come from any cut or scrape...

A small fold, or "pocket" in the wing membrane of the free-tailed bat, near its knee, gives this bat its common name. Pocketed free-tailed bats have large ears and long wings, and fly rapidly, generally pursuing insects on the wing....