含中文字幕节目   

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We tell of the memorial service. We remember the life of the princess. We tell of the aid organizations that she supported. Is progress still being made? Is her life’s work continuing? On the thirt...

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Mothers of twins do not just get twice the bundle of joy—they are also healthier than other mothers THROUGHOUT history, twins have provoked mixed feelings. Sometimes they were seen as a curse—an un...

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Steve: I'm sitting in Central Park with Nat Bletter. Nat is an ethnobotanist. Why don't you start off by explaining what ethnobotany is and what you do? Bletter: Okay. Thanks for having me on Steve. ...

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Nothing in the universe is static. In the Milky Way, billions of stars orbit the galactic center. Some, like our Sun, are pretty consistent, keeping a distance of around 30,000 light years from the ...

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Rau’shee Warren is set to make history at the London Olympic games.By competing,he will become the first American boxer to be a three-time Olympian.He failed to win medals when he fought at Athens and...

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Lexington. The long road home. How Osama bin Laden's death, and life, have changed America. WHAT America needs, Sarah Palin is fond of saying, is a commander-in-chief, not a professor-in-chief. L...

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Steve: Great. Thanks for having me here [at your]… place here. Let's talk about "Can Fat Be Fit?" is the title of the article, so that's an obvious good question for me to start with: Can fat be fit? ...

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DNA is under constant attack from reactive chemicals and natural background radiation. Free radicals are the byproducts of normal metabolism in human cells. Seen here as bright particl...