YouTube launches broad entertainment venture

(AP) -- YouTube is making a bold step into original programming in an entertainment venture with some 100 content creators, from Madonna to The Wall Street Journal.

Actor Alan Alda sponsors 'fiery' science contest

American actor Alan Alda remembers the disappointment of being 11 and asking a teacher about the flame at the end of a candle, only to be brushed off with the answer: "It's oxidation."

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