Quick Fire Science, From The Naked Scientists

This week archaeologists in Queensland, Australia, found part of a fossil from an ancient platypus that was a metre-long. Archaeologists have already found the remains of many giant ancestors of modern creatures, so here's two modern day giant animals - Simon Bishop and Matt Burnett - with this week's Quick Fire Science looking at why animals grew so big in the past. Like this podcast? Please help us by supporting the Naked Scientists