The discovery of more complex feathers in dinosaur species implies that feathers originated and diversified early on, likely for insulation and display—not flight. Read more: https://t.co/GNP0HLfJ4i

120 641
2020-10-08

Spinosaurus had a tail designed for propulsion in water, a forward-leaning center of gravity good for swimming, and curved claws more suited to catching prey in water than to walking on land. Read more: https://t.co/6rY2gtRons

153 894
2020-10-07