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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.

Sep 25, 2023

Laela Sayigh asks whether dolphins use "motherese" when communicating with their calves.

Sep 11, 2023

Pascal Polonik and Kate Ricke explain why reducing greenhouse gas emissions does not always improve environmental equity.