Giant arctic continent launched dinosaurs to world domination
Dinosaurs could survive in cold conditions, as illustrated by Beipiaosaurus, a feathered dinosaur that lived between 127 and 121 million years ago MARK P. WITTON/SCIENCE PHOTO LIBRARY The Arctic was once home to a landmass three times the size of Antarctica. About 200 million years ago, it helped cause a cold spell that lasted for…
