Father Thomas Keating is considered by some people one of the world's greatest living mystics.
Intelligent. Optimistic. Curious.
Audio
Jim Fleming interviews Brian Greene before a live audience at Borders Booksellers in Madison, Wisconsin. They talk about the lasting significance of Albert Einstein, and Greene answers questions from the audience.
Aubrey de Grey has identified seven categories of molecular and cellular damage. He says if we can prevent or repair that damage, there's no reason why people can't go on living indefinitely.
Ralph Nader's Dangerous Idea? Drafting the children and grandchildren of elected representatives.
Research and experiments on time travel being done by some of the world's leading theoretical physicists and David Toomey is here to tell us about it.
Doug Quin is trying to help us tune certain sounds in, sounds we don't consider worth hearing -- from the sound of a spider sucking blood from an insect to the sound of a tree falling in a forest.
Daniel Kalder is from Scotland, but lived in Russia for several years and discovered that at heart he's an anti-tourist.
Christa Parravani talks about her book, "Her," a memoir about the special bond she shares with her identical twin sister.
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