Just when you're getting over that primal fear of being ripped apart by a Tyrannosaurus Rex (you've got that too, don't you??) there's this
The fossilized remains of what may be the largest meat-eating dinosaur has been discovered in Argentina — a bus-sized monster that attacked its prey in roving packs, scientists announced Monday.
The remains of at least seven of the beasts, named Mapusaurus roseae, were found clustered in 100-million-year-old rocks south of the city of Plaza Huincul in western Patagonia.
Based on a shin bone that was about 3 feet long, researchers estimate that the largest adult in the group stretched about 41 feet and weighed about 15,000 pounds.
"When I was growing up, Tyrannosaurus rex was the big, nasty meat-eater on [the] block, but here we've got other things vying for the king of nasty," said Tom Demere, curator of paleontology at the San Diego Natural History Museum ....