Episode notes
Using AI to predict the weather Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us. In this episode, researchers discuss advances in AI-enabled weather forecasting. In this episode, we cover: •[00:00] Introduction •[01:12] Jeffrey Shrader explains what 48 expert…
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PNAS Science Sessions
PNAS · Tech & Science · English
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 sc
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21 Sep 2026 · 11 min
Environmental hazards near schools
Schools' proximities to hazardous materials sites Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us. In this episode, Matthew Kraft maps the proximities of schools to hazardous materials sites. In this episode, we cover: •[00:00] Introduction. •[00:59] Education…
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31 Aug 2026 · 6 min
Getting to the root of the rhizosphere
Getting to the root of the rhizosphere Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us. In this episode, researchers describe methods for illuminating interactions between plants and microbes in the rhizosphere. In this episode, we cover: •[00:00] Introduction…
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17 Aug 2026 · 11 min
Economic toll of declining MMR vaccination
Economic costs of measles outbreaks Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us. In this episode, Alison Galvani explains the costs of waning measles vaccination rates. In this episode, we cover: •[00:00] Introduction. •[01:12] Epidemiologist Alison Galvani…
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3 Aug 2026 · 11 min
Geochemical record of subduction
Evidence of early plate tectonics Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us. In this episode, Brad Peters explores what we can learn from the journey of sediments from the early Earth through the rock cycle. In this episode, we cover: •[00:00] Introduction.…
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20 Jul 2026 · 10 min
Origins of bread wheat
Domestication of wheat Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us. In this episode, David Lordkipanidze recounts archaeological findings from Georgia expanding the history of bread wheat. In this episode, we cover: •[00:00] Introduction. •[00:51]…
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1 Jun 2026 · 11 min
Brain function after cryopreservation
Cryopreservation of brain tissue structures Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us. In this episode, Alexander German explains how to cryopreserve brain tissue through vitrification. In this episode, we cover: •[00:00] Introduction. •[01:14]…
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18 May 2026 · 11 min
Paleoecology of Doggerland
The lost forests of Doggerland Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us. In this episode, Robin Allaby explores the paleoecology of the submerged area known as Doggerland. In this episode, we cover: •[00:00] Introduction. •[01:10] Evolutionary biologist…
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4 May 2026 · 11 min
AI in scholarly publishing
Generative AI and scientific journals Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us. In this episode, Yi Bu explores how generative AI has changed academic publishing. In this episode, we cover: •[00:00] Introduction. •[00:50] Computational social scientist Yi…
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20 Apr 2026 · 10 min
Genomic history of the Golden Horde
Genomics of the Golden Horde Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us. In this episode, Ayken Askapuli explains genomic insights into the ancestors and descendants of the Golden Horde. In this episode, we cover: •[00:00] Introduction. •[00:56] Population…
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6 Apr 2026 · 11 min
Concrete and carbon uptake
How much carbon dioxide concrete can absorb Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us. In this episode, Hessam Azarijafari explains the extent to which concrete can absorb carbon dioxide over its lifecycle. In this episode, we cover: •[00:00] Introduction.…
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