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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.

May 22, 2023

Chinmay Kalluraya and Matthew Daugherty explain how vertebrates acquired a gene critical for vision from bacteria.

Apr 24, 2023

Blair P. Bentley, Lisa Komoroske, and Camila Mazzoni discuss the role genomic elements play in the evolution of sea turtles.

Apr 4, 2023

A special edition of Science Sessions delves into the capabilities of robots inspired by plants and animals.

Mar 20, 2023

Stanislas Dehaene and Marie Amalric investigate whether short online videos are sufficient to teach mathematics concepts.

Mar 6, 2023

Anna Lea Albright and Peter Huybers describe how optical effects consistent with air pollution appear in the paintings of Claude Monet and J.M.W. Turner.