In this episode, Xavier Bonilla has a dialogue with Steve Brusatte about the rise and fall of dinosaurs and the rise and reign of mammals. They discuss how his two books are connected and overlap, first dinosaurs, and how dinosaurs survived the great dying and diversified. They talk about the taxonomy of dinosaurs, the T. Rex, and dinosaurs connection with birds. They also discuss what makes a mammal a mammal, importance of the jaw, and how mammals coexisted with dinosaurs. They also mention how mammals survived the asteroid, their proliferation, humans, and the future of mammals. 
Steve Brusatte is a Palaeontologist who has a Bachelors in Geophysical Sciences from the University of Chicago, a Masters in Palaeobiology from the University of Bristol, and a PhD in Earth and Environmental Studies from the Columbia University, New York. He has over 150 peer-reviewed studies published and has discovered over a dozen dinosaur and mammal species. He is the author of The Rise and Fall of the Dinosaurs and his latest book, The Rise and Reign of the Mammals. He has also been a lead consultant on BBC's Walking with Dinosaurs, Prehistoric Planet, and Jurassic World: Dominion. You can find his work here. Twitter: @stevebrusatte