This week,we tell about how thin monkeys live longer than fat ones, how aspirin can help colon cancer patients and some new information about Tyrannosaurus rex.

VOA: special.2009.09.01

There are some signs of conflict between T-rex and other large dinosaurs.

VOA: special.2009.09.01

"Tyrannosaurus" means "tyrant lizard" and "rex" is Latin for "king."

VOA: special.2009.09.01

T.Rex had a big head, long legs and small arms.

VOA: special.2009.10.13

T.Rex lived between sixty-five and eighty-five million years ago.

VOA: special.2009.10.13