(9/13/21) You may think the story of human evolution begins following the asteroid impact that killed the dinosaurs. Yet, over the last 20 years scientists have made discoveries that have forced them to rethink that narrative. In her new book, Beasts Before Us: The Untold Story of Mammal Origins and Evolution, palaeontologist and the Leverhulme Early Career Research Fellow at the Oxford University Elsa Panciroli charts the emergence of mammals from their emergence underwater to their evolution as mostly land-dwelling creatures. Join us for a reconsideration of where we came from in this installment of Leonard Lopate at Large on WBAI.