蜜芽传媒

Every child knows the big beast roamed the earth millions of years ago but a century ago scientists decided they were not a species in their own right. Now some scientists have admitted they got it wrong. Professor Paul Barrett is a dinosaur researcher at the Natural History Museum in London.

(Photo: Skeleton of a brontosaurus head from the Jurassic era. Credit: Julio Cesar Aguilar/AFP/Getty Images)