PNAS Podcasts

Francesco Pennacchio

Elaine Mardis discusses how next generation sequencing technology is helping the Pan-Cancer Initiative gain a molecular understanding of cancer. Image © iStockphoto/photo 168.
September 15, 2014 | Running Time: 6:21

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David Schaffer

David Schaffer describes how to culture human stem cells in a fully-defined, scalable 3D medium. Image courtesy of Yuguo Lei.
September 2, 2014 | Running Time: 6:00

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Sadovsky and Coyne

Brian Kaspar discusses the role of astrocyte cells in the motor neuron disease ALS. Image courtesy of Wikimedia Commons/Bruno Pascal.
August 18, 2014 | Running Time: 6:01

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Erik Petigura and Geoffrey Marcy

Frank McCormick discusses a National Cancer Institute-led effort to turn a well-known cancer-causing protein into a viable drug target. Image courtesy of Anne Weston/Wellcome.
August 4, 2014 | Running Time: 4:27

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James Collins

James Collins explains how researchers can rewire bacterial cells and control multiple genes simultaneously within a single cell. Image courtesy of iStockphoto/zmeel.
July 21, 2014 | Running Time: 4:03

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Caroline Roullier

Caroline Roullier and colleagues won the 2013 Cozzarelli Prize in Behavioral and Social Sciences for their work on the distribution of sweet potatoes in Oceania. Image courtesy of Wikimedia Commons/ProjectManhattan.
July 7, 2014 | Running Time: 6:15

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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.