Each year, the New York City's canines don their best and most creative costumes for a fun-filled Halloween celebration at Tompkins Square Park in the East Village. On Saturday, October 21, 2017,…
Jochen Brocks joins the show to discuss his recently published study that solves the mystery of how the first animals appeared on Earth.
Anthony Barnosky explains how long mass extinction has been a problem and why the issue is so easily forgotten and glossed over.