
PNAS Science Sessions
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.
Latest episodes

Jun 11, 2019 • 6min
Interview with 2015 Cozzarelli Prize Winners Anne Case and Angus Deaton
Anne Case and Angus Deaton describe recent changes in mortality trends for white non-Hispanic Americans.

Jun 11, 2019 • 6min
Interview with 2015 Cozzarelli Prize Winners Glaucio Paulino and Evgueni Filipov
Glaucio Paulino and Evgueni Filipov describe an origami-inspired approach to designing deployable structures and metamaterials.

Jun 11, 2019 • 5min
Interview with 2015 Cozzarelli Prize Winner Mark Jacobson
Mark Jacobson explains the feasability of a 100% wind, water, and solar power grid in the continental United States.

Jun 11, 2019 • 6min
Interview with 2015 Cozzarelli Prize Winners Will Castleman and Cuneyt Berkdemir
Will Castleman and Cuneyt Berkdemir describe how to mimic rare earth elements using superatom clusters.

Jun 11, 2019 • 5min
Interview with 2015 Cozzarelli Prize Winner Yatrik Shah
Yatrik Shah describes the connection between maternal iron absorption during lactation and neonatal anemia.

Jun 11, 2019 • 6min
Nanoparticles for disease detection
Sangeeta Bhatia describes the development of nanoparticles that can aid in detecting cancer and other diseases.

Jun 11, 2019 • 4min
Origins of mathematical ability
Stanislas Dehaene investigates how certain areas of the brain might be related to mathematical ability.

Jun 11, 2019 • 6min
Building the James Webb Space Telescope
John Mather of the NASA Goddard Space Flight Center explains why and how the James Webb Space Telescope is being built.

Jun 11, 2019 • 6min
Tracking endemic tuberculosis
Robyn Lee and Marcel Behr investigate the genomics of endemic tuberculosis in Northern Canada.

Jun 11, 2019 • 7min
Brain clarity
Karl Deisseroth explains a method to explore the wiring and structure of the brain.