Revisiting evolution theories: Dinosaurs were on way out before meteor hit

You thought dinosaurs became extinct after a meteor hit the Yucatan region of Mexico some 66 million years ago? Think again! A new study suggests the impact did indeed doom the animals, but that they were already on their way out due to a drop in temperatures. In this edition, we discuss this groundbreaking discovery with the co-author of the study, Fabien Condamine.