Lawrence Krauss isn't only a famous physicist; he's also the subject, along with Richard Dawkins, of the documentary film "The Unbelievers." He tells Steve Paulson that science has replaced philosophy and religion as the place to deal with the Big Questions.
Intelligent. Optimistic. Curious.
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Many people don't know that the voice of Bart Simpson is really Nancy Cartwright. She started doing voices in her early teens, and credits Daws Butler with teaching her to be an actor with her voice.
Historian Jim Cullen talks with Jim Fleming about the various versions of the American Dream: freedom, equality, upward mobility, home ownership and the good life.
Mira Nair is an Oscar nominated, India- born film-maker who divides her time between America and the sub-continent.
Kayla Williams tells Anne Strainchamps that women soldiers feel sexism from their fellow soldiers, even in war zones, and that it complicates their lives.
Plant biologist Nicholas Harberd took a year off to study a common weed - the thalecress - that he found growing in a country churchyard.
Rae Armantrout believes that there is one thing that all poetry should be - read out loud.
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