Though many animals display cooperative behavior, human cooperation is distinct. Alan Alda hosts E.O. Wilson, Sarah Hrdy and other leading evolutionary biologists, anthropologists and humanitarians as they examine the origins and evolution of human cooperative behavior.

The multiverse hypothesis, suggesting that our universe is but one of perhaps infinitely many, speaks to the very nature of reality. Join physicist Brian Greene, cosmologists Alan Guth and Andrei Linde, and philosopher Nick Bostrom as they discuss and debate this controversial implication of forefront research.

This program, Ending the Epidemic: Science Advances on AIDS, brings together leading researchers on the forefront of scientific efforts to understand and attack the virus that causes AIDS. Moderator Richard …

Did the molecules that make up life ride to earth on an asteroid? Planetary scientists Jessica Barnes and Phil Bland join Brian Greene to discuss NASA’s recent rendezvous with Bennu, …

There is a revolution underway in the world of medicine. As researchers identify the genetic variants responsible for cancer, schizophrenia and diabetes, and doctors tailor medications and diagnostic tests specifically for your genomic makeup, we inch closer to personalized medicine.

What we touch. What we smell. What we feel. They’re all part of our reality. But what if life as we know it reflects only one side of the full story? Some of the world’s leading physicists think that this may be the case.