Researchers built a physical model of the tail of the late Jurassic dinosaur Apatosaurus and found that its tail tip could have moved at supersonic speed to produce a whip-crack sound -- Read more on ScientificAmerican.com
Researchers built a physical model of the tail of the late Jurassic dinosaur Apatosaurus and found that its tail tip could have moved at supersonic speed to produce a whip-crack sound -- Read more on ScientificAmerican.com
Chipmunk-sized critter with hedgehog-like spines lived 125 million years ago, leaving behind complete skeleton and soft tissues -- Read more on ScientificAmerican.com
Chipmunk-sized critter with hedgehog-like spines lived 125 million years ago, leaving behind complete skeleton and soft tissues -- Read more on ScientificAmerican.com