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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.

Dec 19, 2022

Orit Peleg, Golnar Fard and Francisco López Jiménez explain how honeybees overcome geometric constraints to construct honeycombs.

Dec 5, 2022

Taylor Hersh explores how patterns of clicks produced by sperm whales suggest the exchange of cultural information between the whales.

Nov 14, 2022

Researchers discuss what animal soundscapes can tell us about the health of ecosystems.

Oct 31, 2022

Daniel Cusworth discusses combining aircraft-based and satellite-based measurement to identify methane emission point sources.

Oct 17, 2022

Syee Weldeab describes what researchers can learn from ancient global warming about the risks posed by ocean floor methane hydrates.