A commentary on terrorism from poet Naomi Shihab Nye.
Kate Davis talks with Anne Strainchamps about her new documentary, called “Jockey,” concerning the underbelly of horse racing.
There's a big debate among ecologists right now over whether we can have hope in the face of climate change. Science writer Emma Marris says we need it. And it’s not just newspaper headlines and environmental campaigns that need to change, we need to rethink “nature.”
Nicholas Rogers is a historian at York University in Canada and the author of “Halloween: From Pagan Ritual to Party Night.” He says that Halloween has both pagan and Christian roots and that the modern holiday once involved more treats than tricks.
Khaled Hosseini's novel “The Kite Runner” put Afghan fiction on the map. Hosseini's new book is “And the Mountains Echoed.”
Michael Shermer explains why he and like-minded scientific people don’t think much of Mark Vicente's film, “What the Bleep Do We Know”.
Sacks had a particular fascination with the ways our brains can play tricks on our vision. He also reveals his own lifelong struggle to recognize the faces of other people.
Marcus Du Sautoy talks with Jim Fleming about prime numbers and the Riemann Hypothesis and why it’s such an important puzzle for mathematicians.