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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.

Jan 21, 2020

Kerry Sieh recounts the hunt for a meteorite impact crater in Southeast Asia.


Dec 30, 2019

Dana Lepofsky describes ancient sustainable clam gardening practices.


Dec 16, 2019

Theoretical physicists Hans Briegel and Hendrik Poulsen Nautrup describe an artificial intelligence that can design quantum experiments.


Dec 2, 2019

Simon DeDeo and Alexander Barron discuss the rhetoric that shaped the French Revolution.


Oct 28, 2019

Cam Braun explains how ocean eddies allow sharks to dive and forage in deep water.