含中文字幕节目   

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Researchers train high-speed video on schooling fish to track the motion of each individual, revealing how information and decisions travel through the group. Collective behavior is embodied in swa...

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Today, we tell about an American farmer and an unusual device he developed.For twenty years,people around the world have been buying his invention.(MUSIC)Blake Whisenant and his family are farmers.The...

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Business.Corporate fraud.Mind your language.How linguistic software helps companies catch crooks.IN THE film "Superman 3", a lowly computer programmer (played by Richard Pryor, pictured) embezzles a f...

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Hey Karen, thanks for joining us. Karen: Thanks Steve. Glad to be here. Steve: What were you doing in the Bering Sea? Karen: Well, I got a chance to go, be on a U.S. Coast Guard icebreaker called t...

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To illustrate the role of the Per's (period) and Cry's (cryptochrome). So what we have here are BMAL and CLOCK which are the positive activators actually of a set of at least 5 genes. All three Per ge...

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Carlos was ready to kill himself. Could life become any worse? First, he had a bad accident. It damaged one eye. Then a cataract developed in the other eye. In a cataract, the clear lens at the front ...

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Science and Technology 【Diagnosing dementia】 Advance warning 【How to detect Alzheimer's before symptoms appear-if you are a woman】 ALZHEIMER'S disease has no cure. There are, however, five drug...

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Most people are astonished to learn that possibly only 10 percent of the kinds of plants and animals and microorganisms—especially when you throw in little creatures, what I like to call the little cr...