PNAS Science Sessions

Listen to brief, 5-minute, nontechnical conversations with cutting-edge researchers, Academy members, and policy makers 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.

Episodes

Gene therapy for retinal disease

April 23, 2018 • 7 mins

Karina Guziewicz and Artur Cideciyan explain a potential gene therapy approach for macular degeneration.

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The Chan Zuckerberg Biohub

December 18, 2017 • 5 mins

Joseph DeRisi describes the Chan Zuckerberg Biohub, a new privately-funded medical research center in the Bay Area.

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Early evidence of winemaking

December 4, 2017 • 6 mins

Patrick McGovern describes evidence of winemaking in Georgia during the Neolithic period.

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Bird feathers reveal past air pollution

November 9, 2017 • 6 mins

Carl Fuldner and Shane DuBay describe how bird feathers preserve records of air pollution.

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Interview with 2016 Cozzarelli Prize Winner Vadim Backman

October 12, 2017 • 6 mins

Vadim Backman describes a technique for high resolution imaging of biological molecules without labels.

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Interview with 2016 Cozzarelli Prize Winner Jonathan Sears

October 3, 2017 • 5 mins

Jonathan Sears describes potential treatment strategies for retinopathy of prematurity.

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Zebrafish avatars for cancer treatment

September 19, 2017 • 5 mins

Rita Fior describes how zebrafish can make cancer treatment more efficient.

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Interview with 2016 Cozzarelli Prize Winners Sandu Popescu and Jeff Tollaksen

September 1, 2017 • 6 mins

Sandu Popescu and Jeff Tollaksen explain how a fundamental principle of nature does not hold in quantum mechanics.

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Interview with 2016 Cozzarelli Prize Winner Yayoi Obata

August 17, 2017 • 4 mins

Yayoi Obata describes the formation of mammalian egg cells in vitro.

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The Deep Hot Biosphere after 25 years

August 7, 2017 • 5 mins

John Spear discusses the legacy of Thomas Gold's "Deep Hot Biosphere" hypothesis.

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Interview with 2016 Cozzarelli Prize Winner Russell Graham

July 13, 2017 • 6 mins

Russell Graham describes the extinction of woolly mammoths from St. Paul island.

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How Sherpas adapt to high altitudes

July 3, 2017 • 6 mins

Andrew Murray describes metabolic adaptations of Himalayan Sherpas to low-pressure, low-oxygen conditions at high altitudes.

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Interview with 2016 Cozzarelli Prize Winners Fernando Colchero, Roland Rau, and Susan Alberts

June 19, 2017 • 6 mins

Fernando Colchero, Roland Rau, and Susan Alberts describe the relationship between lifespan equality and average lifespan.

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Oyster Harvest

May 23, 2017 • 6 mins

Rowan Lockwood discusses the sustainability of Native American oyster harvesting in the Chesapeake Bay.

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Improving endoscopy for disease diagnosis

May 1, 2017 • 6 mins

Pelham Keahey describes how differential structured illumination microendoscopy can improve cancer diagnosis.

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Vision and transition to land

April 14, 2017 • 6 mins

Malcolm MacIver describes how our aquatic ancestors may have become interested in land.

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Self-driving cars

March 27, 2017 • 6 mins

Jeff Schneider explains how self-driving cars use machine learning to learn the rules of the road.

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Science for the general public

February 21, 2017 • 6 mins

Steven Weinberg describes his experiences writing about science for a general audience.

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Interview with 2017 Breakthrough Prize winner Steve Elledge

January 27, 2017 • 7 mins

Steve Elledge discusses how cells sense and respond to damage to their DNA.

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DNA folding by loop extrusion

January 9, 2017 • 6 mins

Erez Lieberman Aiden discusses a model of how DNA folds to fit inside a cell nucleus.

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PNAS Science Sessions

Episodes

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.css-r6mb8g{margin:0;word-break:break-word;display:-webkit-box;-webkit-box-orient:vertical;box-orient:vertical;-webkit-line-clamp:1;overflow:hidden;}The Chan Zuckerberg Biohub

Early evidence of winemaking

Bird feathers reveal past air pollution

Interview with 2016 Cozzarelli Prize Winner Vadim Backman

Interview with 2016 Cozzarelli Prize Winner Jonathan Sears

Zebrafish avatars for cancer treatment

Interview with 2016 Cozzarelli Prize Winners Sandu Popescu and Jeff Tollaksen

Interview with 2016 Cozzarelli Prize Winner Yayoi Obata

The Deep Hot Biosphere after 25 years

Interview with 2016 Cozzarelli Prize Winner Russell Graham

How Sherpas adapt to high altitudes

Interview with 2016 Cozzarelli Prize Winners Fernando Colchero, Roland Rau, and Susan Alberts

Oyster Harvest

Improving endoscopy for disease diagnosis

Vision and transition to land

Self-driving cars

Science for the general public

Interview with 2017 Breakthrough Prize winner Steve Elledge

DNA folding by loop extrusion

Popular Podcasts

Gene therapy for retinal disease

The Chan Zuckerberg Biohub