John Dore discusses the connection between rising atmospheric carbon dioxide levels and the increasing acidity of Earth's oceans.

Interview with Cozzarelli Prize Winners Michael Köttgen and Owen Woodward

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.