PNAS Podcasts

Jef Boeke

Jef Boeke explains how to safeguard against unauthorized growth of engineered microorganisms. Image © iStockphoto/andynwt.
March 2, 2014 | Running Time: 5:32

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Lonnie Thompson

Lonnie Thompson discusses clues to Earth's ancient climate history that are stored in tropical glacial ice. Image courtesy of Glacier Photograph Collection of the National Snow and Ice Data Center/World Data Center for Glaciology.
February 2, 2015 | Running Time: 5:39

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Kyle Siler

Kyle Siler discusses the role of editors as gatekeepers at scientific journals. Image © iStockphoto/shirophoto.
January 5, 2015 | Running Time: 5:52

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Alán Aspuru-Guzik

Alán Aspuru-Guzik discusses how he uses supercomputing as a “molecular spaceship” to explore chemical space and discover potentially useful new molecules. Image courtesy of Wikimedia Commons/Kenny Vivas.
December 15, 2014 | Running Time: 5:44

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Keith Joung and Feng Zhang

Keith Joung and Feng Zhang explain methods for editing sequences of DNA in living cells. Image ©iStockphoto/mstay.
December 1, 2014 | Running Time: 6:16

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Veronica Vieland discusses a common disconnect between scientists and statisticians in evaluating scientific evidence.
November 17, 2014 | Running Time: 4:29

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Front Matter in PNAS

PNAS is known for its wealth of interesting, vibrant research articles and plays a key role in the development of science and scientific discussion. However, not everyone has the time or inclination to dive deep into the research papers we publish. As a result, we have launched an expanded front section of PNAS aimed at a more general level of discussion, tackling the stories of science in interesting ways.