“The Rise and Fall of the Dinosaurs” Author Steve Brusatte: T-Rex is closer in time to us than Brontosaurus

Steve and Anne Brusatte in-studio with John Williams

The Rise and Fall of the Dinosaurs Author Steve Brusatte summarizes how dinosaurs we know best, like Tyrannosaurus Rex and Brontosaurus, came to be. And,  he tells John how mammals came into existence almost immediately following that fateful day in history.