Intelligence was once thought to be uniquely human. But researchers have discovered astonishing cognitive abilities in many other species—not just our close cousins like chimps, or fellow mammals like dolphins—but …

Sexuality and gender play a profound role in shaping identity, but for much of human history how they are determined has remained obscure. How does sexual orientation develop? What is it? Can it be changed?

Harvard professor and 2017 Breakthrough prize winner in Fundamental Physics, Cumrun Vafa joins Brian Greene for a discussion on the past and future of string theory and how puzzles ignited …

Food scientist Amanda Kinchla’s innovation happens in the lab…and in the kitchen as she uses science to create new and nutritional foods and food safety solutions. Episode filmed live at …

Are we alone in this vast universe? Some think that’s highly unlikely. With new technologies joining the search, NASA estimates we’ll find definitive evidence of aliens within 20 to 30 …

Meet “Barf” the turkey vulture and learn from Tanya Lowe what it’s like to be a conservationist. Episode filmed live at the 2015 World Science Festival in New York City. The …