Double creature feature; big dinos and hybrid species

Listen "Double creature feature; big dinos and hybrid species"

Episode Synopsis

This week on the show it's a double creature feature. Chris answers a question we have all wondered; why are dinosaurs so big, and looks at some new research along the way. And Stu delves into the world of hybrid species. You might have heard of a mule, or a liger, but why do some animals hybridise and some do not?