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
Jan 31, 2022 • 13min
Frontiers in coral conservation – Part 1
Researchers explore cutting-edge approaches to coral reef conservation. Image credit: Cody Engelsma (Mote Marine Laboratory, Sarasota, FL).
Jan 18, 2022 • 13min
Racial disparities in communication
Ray Block Jr. and John Holbein report that Americans are more likely to respond to an emailed survey request from a sender with a putatively White name than a sender with a putatively Black name. Image credit: iStock/Prostock-Studio.
Dec 27, 2021 • 15min
Tropical forests in the Anthropocene – Part 2
A collection of research articles explores how tropical ecosystems have borne the brunt of the human impact on the environment. Image credit: Pixabay/Pexels.
Dec 13, 2021 • 15min
Tropical forests in the Anthropocene – Part 1
A collection of research articles explores how tropical ecosystems have borne the brunt of the human impact on the environment. Image credit: Pixabay/Pexels.
Nov 29, 2021 • 18min
CRISPR use in agriculture: Part 2
A special episode explores the state of CRISPR use in agriculture. Image credit: Can Stock Photo/molekuul.
Nov 15, 2021 • 17min
CRISPR use in agriculture: Part 1
A special episode explores the state of CRISPR use in agriculture. Image credit: Can Stock Photo/molekuul.
Nov 2, 2021 • 17min
Language loss and medicinal plant knowledge
Rodrigo Cámara-Leret explains the impact of indigenous language extinction on medicinal plant knowledge. Image credit: Pixabay/DEZALB.
Oct 18, 2021 • 11min
How Zen stones form
Nicolas Taberlet and Nicolas Plihon explore the physical explanation for a fascinating natural phenomenon: the formation of Zen stones on frozen lakes. Image credit: N. Taberlet, N. Plihon. Lab Physique ENS de Lyon and CNRS.
Oct 4, 2021 • 11min
Greenhouse gas emissions tied to concrete
Hessam Azarijafari, Randy Kirchain, and Jeremy Gregory explore how innovations in the concrete industry can reduce greenhouse gas emissions. Image credit: Pexels/Life Of Pix.
Sep 20, 2021 • 13min
Racial and ethnic disparities in pollutant exposure
Sarah Chambliss discusses racial and ethnic disparities in exposure to air pollutants. Image credit: Pixabay/sueegeneris.
