Can the extinction of dinosaurs tell us about how humans developed?

Can studying the extinction of dinosaurs save humanity? How did small rat-like creatures scurrying around the feet of dinosaurs become the rulers of the planet by using fossilized teeth of mammals to uncover this mystery.Guest: Dr. Kendra Chritz, Assistant Professor of Earth, Ocean and Atmospheric Sciences at the University of British Columbia Learn more about your ad choices. Visit megaphone.fm/adchoices