Psychologist Paul Bloom discusses the moral lives of children.
Astrobiologist David Grinspoon schools Hollywood.
Why oil spills, fracking, and climate change pose a special danger to the youngest members of all species.
Alan Weisman, bestselling author of The World Without Us, tackles the world’s exploding human population in his new book, Countdown.
On our new show, Inquiring Minds, astronaut Marsha Ivins talks about her 5 shuttle missions, NASA’s budget, and why the Borg cube makes a good space ship.