
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 10, 2019 • 6min
Sackler Colloquium on the science of science communication
Baruch Fischhoff and Dietram Scheufele discuss the need for a scientific approach to the communication of science.

Jun 10, 2019 • 5min
Making improved antibodies against HIV
Structural biologist Pamela Björkman explains how engineering improved versions of naturally occurring antibodies against HIV might make them promising therapeutic agents.

Jun 10, 2019 • 5min
Interview with Cozzarelli Prize winner Roland Kanaar
Roland Kanaar explains how elevated temperature augments cancer treatment.

Jun 10, 2019 • 5min
Interview with Cozzarelli Prize winner Merlin Hanauer
Merlin Hanauer discusses the benefits of protected areas.

Jun 10, 2019 • 5min
Interview with Cozzarelli Prize winner Jacob Waldbauer
Cozzarelli Prize winner Jacob Waldbauer reconstructs the history of oxygen on Earth.

Jun 10, 2019 • 5min
Interview with Cozzarelli Prize winners Robert Saye and James Sethian
Cozzarelli Prize winners Robert Saye and James Sethian introduce a numerical method to track complex motions.

Jun 10, 2019 • 5min
Interview with Cozzarelli Prize winner James Smith
Economist James Smith discusses the effect of childhood mental problems on adult life.

Jun 10, 2019 • 5min
Interview with Cozzarelli Prize winners Erica Machlin Cox and Selena Sagan
Erica Machlin Cox and Selena Sagan discuss an unusual interaction that protects the hepatitis C virus from our body's defenses.

Jun 10, 2019 • 6min
Life's building blocks
George Church discusses the potential of synthetic biology.

Jun 10, 2019 • 5min
The science of sleep
Erin Hanlon and Jeanne Duffy introduce their research on sleep, in a recording of the PNAS "Science of Sleep" event held in Washington, DC on March 14, 2012.