PNAS Science Sessions

Latest Episodes:

Building new biological objects Jun 10, 2019

Show notes

Frances Arnold explains how she harnesses the power of evolution to create proteins and organisms with applications in medicine and in alternative energy.

Virus-fighting bacteria Jun 10, 2019

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Akiko Iwasaki explains how gut bacteria boost immunity to influenza virus.

Bugging the immune system Jun 10, 2019

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Sarkis Mazmanian talks about how gut bacteria interact with the immune system to influence health and disease.

Bacterial invisible ink Jun 10, 2019

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David Walt discusses his research on using fluorescent bacteria to send secret messages.

Gatekeepers of our immune system Jun 10, 2019

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2011 Nobel Prize winner Bruce Beutler talks about his discovery of the first mammalian innate immune receptors, our first line of defense against the threat of microorganisms.

Thwarting dengue transmission Jun 10, 2019

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Medical entomologist Scott O'Neill explains how an intracellular bacterium could help curb the spread of dengue virus.

Cancer immunotherapy comes of age Jun 10, 2019

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Cell biologist Ira Mellman discusses cancer immunotherapy at Genentech.

Revolutionizing microscopy Jun 10, 2019

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Changhuei Yang and Guoan Zheng talk about their inexpensive, lens-free biomedical imaging device, which could change the way we do microscopy.

Making physics palatable Jun 10, 2019

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Spanish chef Ferran Adrià and physicist David Weitz discuss the science of cooking.