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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.

Jun 27, 2022

Researchers explore how and when humans first arrived in the Americas.

Jun 13, 2022

L. Mahadevan, Petur Bryde, and Suraj Shankar explain the otherworldly sounds of the musical saw.