In a re-broadcast from 2007, Daniel Dennett, philosopher and co-director of the Center for Cognitive Studies at Tufts University, describes the evolution of human culture, which he says is a "second information highway," swifter and more reliable than genetic transmission.

British evolutionary biologist and popular science book author Richard Dawkins argues that a life of scientific truth precludes the belief in any divine power.

According to the New York City Panel on Climate Change, global warming could have a big impact on the five boroughs. Three experts discuss the Panel's recent findings, and tell us what weather and policy changes to expect.

Steve Quinn has crafted the dioramas at the American Museum of Natural History for more than 35 years. Hear how these amazing displays of art and science come together from the expert himself.