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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.

Aug 23, 2021

Gaige Kerr discusses racial disparities in atmospheric levels of nitrogen dioxide in the United States.

Aug 9, 2021

Stephanie Marciniak, Logan Kistler, and Ed Louis describe an extinct giant lemur.