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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.

  1. All Episodes
  2. 2021

Tropical forests in the Anthropocene – Part 2

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Dec 27, 2021

A collection of research articles explores how tropical ecosystems have borne the brunt of the human impact on the environment. Image credit: Pixabay/Pexels.

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Tropical forests in the Anthropocene – Part 1

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Dec 13, 2021

A collection of research articles explores how tropical ecosystems have borne the brunt of the human impact on the environment. Image credit: Pixabay/Pexels.

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CRISPR use in agriculture: Part 2

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Nov 29, 2021

A special episode explores the state of CRISPR use in agriculture. Image credit: Can Stock Photo/molekuul.

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CRISPR use in agriculture: Part 1

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Nov 15, 2021

A special episode explores the state of CRISPR use in agriculture. Image credit: Can Stock Photo/molekuul.

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Language loss and medicinal plant knowledge

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Nov 2, 2021

Rodrigo Cámara-Leret explains the impact of indigenous language extinction on medicinal plant knowledge. Image credit: Pixabay/DEZALB.

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