Alan Alda has issued this year’s challenge to the world’s top scientists: What is sound? In an action-packed hour of interactive demonstrations, Alan and a team of communication experts invite the audience to explore what we hear, how we hear, and what that means for different species.

Public debate, pitting atheist against believer, typically yields a polarized picture. Might a more nuanced conversation that transcends simplistic assertions, and weaves insights from physics, biology, and psychology provide a more fruitful exchange of ideas?

This video is part of our Brilliant Breakthroughs series: our new 20-episode mini-series exploring the “Eureka!” moments and proud accomplishments of the greatest scientific minds of our time. Join us …

Breakthrough Prize Winner Lyman Page joins Brian Greene to discuss his unusual path into physics, his extraordinary work measuring the cosmic background radiation and his ongoing quest to shed light …

Francis Collins – leader of the Human Genome Project, Director of the National Institutes of Health across three presidential administrations, and President Biden’s newly appointed Science Advisor – joins Brian …

Ecologist and explorer Mark Moffett has trekked across the globe to document new animal species and behaviors. Just like the creatures he studies, Mark can be found crawling in the …