Whales are mammals, but they don't look like the mammals living around us, as they have a triangular fluke for tail, no hind legs and no body hair. And inside their mouths, their teeth are unfamiliar too ...

Biology - Plants & Animals

Feb 19, 2013 5 / 5 (6) 0 |

(PhysOrg.com) -- New research conducted in part by researchers at The George Washington University has led to novel insights into how feeding and dietary adaptations may have shaped the evolution of the earliest ...

Other Sciences - Archaeology & Fossils

Feb 03, 2009 4.4 / 5 (7) 3