<p>Ian Phillips, Rui Zhe Goh, and Chaz Firestone use auditory illusions to explore how people perceive silence.</p>

Racial disparities and climate policy

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.