风云人物   

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Today, we tell about one of the greatest thinkers in the world,Leonardo da Vinci.He began his career as an artist.But his interest in the world around him drove him to study music, math, science, engi...

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We'll talk with Nobel Prize-winning M.I.T. physicist, Frank Wilczek, and his wife, Betsy Devine, and then we'll squeeze in a quick round of our science quiz. Frank Wilczek shared the 2004 Physics Nobe...

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Today we tell about one of the world's greatest scientists,Isaac Newton.(MUSIC)Much of today's science of physics is based on Newton's discovery of the three laws of motion and his theory of gravity.N...

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Today, we tell about the much-loved performer Lucille Ball.Her famous television series "I Love Lucy" was first broadcast in nineteen fifty-one.(MUSIC)The "I Love Lucy" show was a huge success.It was ...