PNAS Science Sessions

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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.

Motherese in bottlenose dolphins

Sep 25, 2023

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

Racial disparities and climate policy

Sep 11, 2023

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

What illusions tell us about silence

Aug 28, 2023

Ian Phillips, Rui Zhe Goh, and Chaz Firestone use auditory illusions to explore how people perceive silence.

Growth mindset and educational outcomes

Aug 14, 2023

Cameron Hecht discusses an intervention targeting high school teachers to improve student retention and diversity in STEM fields.

How dehorning affects rhino behavior

Jul 31, 2023

Vanessa Duthé explains how dehorning affects the behavior of black rhinoceroses.