In Examined Life, filmmaker Astra Taylor accompanies some of today's most influential thinkers on a series of unique excursions through places and spaces that hold particular resonance for them and...

Dr. Henry N. Pollack, author of "A World Without Ice," addresses accusations of climate change as an uncertain theory. "Uncertainty should not lead to policy paralysis," he says. "Uncertainty is...

(Global Pulse: May 1, 2009) Pity the pig. Add the swine flu to its already questionable reputation. The flu outbreak has spread fear and confusion around the world. Global media...