PNAS Science Sessions
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.
Latest episodes
Sep 7, 2021 • 11min
Soil microbes and hybrid vigor
Maggie Wagner and Manuel Kleiner report that the interaction between maize and soil microbes influences hybrid vigor. Image credit: Kayla M. Clouse.
Aug 23, 2021 • 11min
Racial disparities in air pollution
Gaige Kerr discusses racial disparities in atmospheric levels of nitrogen dioxide in the United States.
Aug 9, 2021 • 10min
Genome sequencing of extinct giant lemur
Stephanie Marciniak, Logan Kistler, and Ed Louis describe an extinct giant lemur.
Jul 26, 2021 • 11min
Upslope advance of forest fires
Mohammad Reza Alizadeh, John T. Abatzoglou, and Mojtaba Sadegh report that forest fires have been advancing upslope across the western United States in recent decades.
Jul 12, 2021 • 17min
How bats know the speed of sound
Eran Amichai investigates how bats know the speed of sound.
Jun 28, 2021 • 13min
Animal behavior and ecosystem effects
Mike Gil discusses how changes in animal behavior can affect ecosystems.
Jun 14, 2021 • 11min
Patient–physician racial concordance
Brad Greenwood explains how patient–physician racial concordance decreases Black infant mortality.
Jun 1, 2021 • 13min
How HIV infects human cells
Vinay Pathak describes when and where HIV sheds its capsid coating while infecting human cells.
May 17, 2021 • 12min
Self-cleaving ribozymes
Jeannie Lee describes the discovery of self-cleaving ribozymes.
May 3, 2021 • 9min
Designing synthetic organisms
Josh Bongard describes AI-designed, reconfigurable biological organisms made from frog cells.
