PNAS Science Sessions

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

April 23, 2018 7 mins
Karina Guziewicz and Artur Cideciyan explain a potential gene therapy approach for macular degeneration.
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Joseph DeRisi describes the Chan Zuckerberg Biohub, a new privately-funded medical research center in the Bay Area.
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December 4, 2017 6 mins
Patrick McGovern describes evidence of winemaking in Georgia during the Neolithic period.
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November 9, 2017 6 mins
Carl Fuldner and Shane DuBay describe how bird feathers preserve records of air pollution.
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Vadim Backman describes a technique for high resolution imaging of biological molecules without labels.
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Jonathan Sears describes potential treatment strategies for retinopathy of prematurity.
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September 19, 2017 5 mins
Rita Fior describes how zebrafish can make cancer treatment more efficient.
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Sandu Popescu and Jeff Tollaksen explain how a fundamental principle of nature does not hold in quantum mechanics.
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Yayoi Obata describes the formation of mammalian egg cells in vitro.
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August 7, 2017 5 mins
John Spear discusses the legacy of Thomas Gold's "Deep Hot Biosphere" hypothesis.
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Russell Graham describes the extinction of woolly mammoths from St. Paul island.
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Andrew Murray describes metabolic adaptations of Himalayan Sherpas to low-pressure, low-oxygen conditions at high altitudes.
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Fernando Colchero, Roland Rau, and Susan Alberts describe the relationship between lifespan equality and average lifespan.
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May 23, 2017 6 mins
Rowan Lockwood discusses the sustainability of Native American oyster harvesting in the Chesapeake Bay.
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Pelham Keahey describes how differential structured illumination microendoscopy can improve cancer diagnosis.
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April 14, 2017 6 mins
Malcolm MacIver describes how our aquatic ancestors may have become interested in land.
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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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February 21, 2017 6 mins
Steven Weinberg describes his experiences writing about science for a general audience.
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Steve Elledge discusses how cells sense and respond to damage to their DNA.
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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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