Synopsis
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 scientific news about discoveries that affect the world around us.
Episodes
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![Molecular profiling of cancer]()
Molecular profiling of cancer
11/06/2019 Duration: 06minElaine Mardis discusses how next generation sequencing technology is helping the Pan-Cancer Initiative gain a molecular understanding of cancer.
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![Growing stem cells in 3D]()
Growing stem cells in 3D
10/06/2019 Duration: 06minDavid Schaffer describes how to culture human stem cells in a fully-defined, scalable 3D medium.
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![Astrocytes and ALS]()
Astrocytes and ALS
10/06/2019 Duration: 06minBrian Kaspar discusses the role of astrocyte cells in the motor neuron disease ALS.
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![Taming an unwieldy cancer target]()
Taming an unwieldy cancer target
10/06/2019 Duration: 04minFrank McCormick discusses a National Cancer Institute-led effort to turn a well-known cancer-causing protein into a viable drug target.
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![Genetic switchboards]()
Genetic switchboards
10/06/2019 Duration: 04minJames Collins explains how researchers can rewire bacterial cells and control multiple genes simultaneously within a single cell.
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![Interview with 2013 Cozzarelli Prize Winner Francesco Pennacchio]()
Interview with 2013 Cozzarelli Prize Winner Francesco Pennacchio
10/06/2019 Duration: 06minFrancesco Pennacchio explains how neonicotinoid insecticides can influence the immune response of honey bees.
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![Interview with 2013 Cozzarelli Prize Winner Caroline Roullier]()
Interview with 2013 Cozzarelli Prize Winner Caroline Roullier
10/06/2019 Duration: 06minCaroline Roullier and colleagues won the 2013 Cozzarelli Prize in Behavioral and Social Sciences for their work on the distribution of sweet potatoes in Oceania.
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![Interview with 2013 Cozzarelli Prize Winners Yoel Sadovsky and Carolyn Coyne]()
Interview with 2013 Cozzarelli Prize Winners Yoel Sadovsky and Carolyn Coyne
10/06/2019 Duration: 06minYoel Sadovsky and Carolyn Coyne describe the placenta's role in protecting the fetus from infection by viruses.
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![Interview with 2013 Cozzarelli Prize Winner Tad Patzek]()
Interview with 2013 Cozzarelli Prize Winner Tad Patzek
10/06/2019 Duration: 06minTad Patzek explains how natural gas production declines over time in hydrofractured wells.
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![Interview with 2013 Cozzarelli Prize Winners Mimi Kao and Allison Doupe]()
Interview with 2013 Cozzarelli Prize Winners Mimi Kao and Allison Doupe
10/06/2019 Duration: 04minMimi Kao and Allison Doupe explore song learning in the male zebra finch.
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![Interview with 2013 Cozzarelli Prize Winners Erik Petigura and Geoffrey Marcy]()
Interview with 2013 Cozzarelli Prize Winners Erik Petigura and Geoffrey Marcy
10/06/2019 Duration: 06minErik Petigura and Geoffrey Marcy discuss the number of Earth-like planets that may exist in our galaxy.
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![Modeling human cognition]()
Modeling human cognition
10/06/2019 Duration: 05minJames "Jay" McClelland describes a parallel distributed processing approach to understanding human cognition.
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![Exchanging kidneys]()
Exchanging kidneys
10/06/2019 Duration: 06minAlvin Roth discusses how principles of economics can benefit people who need kidney transplants.
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![Nicotine addiction and relapse]()
Nicotine addiction and relapse
10/06/2019 Duration: 05minInés Ibañez-Tallon discusses how nicotine and neurons conspire to hamper efforts to quit smoking.
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![Where breast cancer meets brain size]()
Where breast cancer meets brain size
10/06/2019 Duration: 06minInder Verma and colleagues describe how a breast cancer-associated gene might be implicated in brain size control in mammals.
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![Supernova chemistry]()
Supernova chemistry
10/06/2019 Duration: 05minPaul Dunk discusses the chemistry of carbon in space following a supernova.
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![The postdoctoral problem]()
The postdoctoral problem
10/06/2019 Duration: 06minNAS member Gregory Petsko discusses efforts to assess the US postdoctoral workforce.
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![Understanding citrus greening]()
Understanding citrus greening
10/06/2019 Duration: 05minAriena van Bruggen and J. Glenn Morris, Jr. discuss their work on citrus greening, a disease that is threatening the global citrus industry.
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![Genetic screening for adults]()
Genetic screening for adults
10/06/2019 Duration: 05minC. Thomas Caskey and Amy McGuire discuss whole-genome genetic screening for adult-onset diseases.
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![Synthesizing fuels and chemicals from CO2]()
Synthesizing fuels and chemicals from CO2
10/06/2019 Duration: 05minJames Liao talks about engineering microorganisms to synthesize fuels and chemicals from CO2.
