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Welcome to Science Sessions, the PNAS podcast program. Listen to brief conversations with cutting-edge researchers, Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in PNAS, plus a broad range of scientific news about discoveries that affect the world around us. Please scroll down for recent podcasts.

Nov 23, 2020

David Crowder and Gengping Zhu explain how to predict the spread of the Asian giant hornet.

Nov 9, 2020

Brian Fields explores a hypothesis that a supernova may be responsible for a mass extinction.