Actor Alan Alda is best known for his TV and movies roles. He played Hawkeye Pierce on the television show MASH; later, he played Sen. Owen Brewster in the film “The Aviator,” which won him an Academy-Award nomination. But Alda also has an alternate career: Science advocate. He’s long had a passion for biology, physics and chemistry and has several science shows, including the PBS series “Scientific American Frontiers” and “The Human Spark.” Alan Alda joins us to talk about his passion for science and efforts to help scientists communicate better with the public.
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