Secretary of the Smithsonian Institution Wayne Clough discusses his goal to educate the public about the Smithsonian's groundbreaking scientific research projects.

Ubiquitous computing and smart environments

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.