Ancient 'Loch Ness monster' reptiles swam like penguins
Thursday, December 17, 2015 - 16:10
in Paleontology & Archaeology
WASHINGTON (Reuters) - Plesiosaurs, marine reptiles that thrived in the world's seas when dinosaurs ruled the land, swam much like penguins by using their flippers to "fly" underwater, scientists said on Thursday, resolving a debate that began nearly two centuries ago.