WASHINGTON (AP) -- Nearly 50 years ago, scientists found bones of two large, powerful dinosaur arms in Mongolia and figured they had discovered a fearsome critter with killer claws....
By SETH BORENSTEIN, Associated Press
Wed, 10/22/2014 - 10:16am
WASHINGTON (AP) -- Nearly 50 years ago, scientists found bones of two large, powerful dinosaur arms in Mongolia and figured they had discovered a fearsome critter with killer claws....