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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.

Oct 28, 2019

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

Oct 15, 2019

Shara Bailey explains the significance of a three-rooted lower molar in an archaic jaw.