Three physicists just won the Nobel Prize for their discovery that the universe is rapidly expanding.
Intelligent. Optimistic. Curious.
Audio
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.
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.
Lupe Fiasco is a devout Muslim whose album "Food and Liquor" went to number one of the rap album charts and won three Grammy Nominations.
So maybe you're not going to be the next Richard Pryor.
Even if you don't get many more laughs, you can laugh more. Katie West tells us how.
Journalist Jean Zimmerman says that Americans are in the process of throwing away centuries of domestic skills and traditions.
Plant biologist Nicholas Harberd took a year off to study a common weed - the thalecress - that he found growing in a country churchyard.
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