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This is scientific American's science 60 second science, I am steve mosbyA lot of people have had compacted third molars. Third molars produce chronic pain. Allen man, a Princeton University Physical anthopolegist, the annual meeting of the immagrate

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A lot of people have had impacted third molars. Third molars produce a lot of chronic pain. Alan Mann, a Prinston University physical anthropologist at the annual meeting of the American Association for the Advancement of Science in Boston on Februar

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Language Points 1.Your coffee comes exactly as you like it, with the precisely right ratio of cream to sugar 2.You make all the stop lights when youre in a hurry 3.You come back from the bathroom at a restaurant and your delicious meal is already at

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图片 by Jason Marshall Some math is functional. Some math is fun. And some math is simply stunning. If that last description sounds improbable to you, then today just might change your mind. Because now that weve covered enough ground, were going t

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图片1 图片2 by Jason Marshall Despite many peoples assumption to the contrary, math is undeniably artistic. It takes a tremendous amount of creative muscle and artistry to devise mathematical solutions. And, as made evident by their frequent batt

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Scientists Grow First Fully Developed Human Eggs in Laboratory For the first time ever, scientists have succeeded in growing human eggs from the earliest stages to full maturity in a laboratory. 科学家们有史以来首次在实验室将人类卵子

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Researchers are trying to identify the reasons behind the poor population growth of some of Africas wild animals including the Grevy and Cape Mountain zebras. A major focus is the endangered black rhino. What weve done with the University of Manchest

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After nearly twenty years of homeownership, Ive spent the past ten months renting an apartment. I like it. And I dont. There are pros and cons to renting a place, just as there are pros and cons to owning a home. For me, one of the biggest cons is th

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VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Barbara Klein. VOICE TWO: And I'm Steve Ember. On our program this week, we will tell about an animal that can reproduce without mating. We also will tell about a Swedish man who d

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By Stephanie Ho Washington 08 January 2006 The inaugural exhibit at the new Loyola University Museum of Art in Chicago is raising questions about art and the value of copies of art. The show features

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BEIJING, May 13 (Xinhuanet) - China's central bank announced on Saturday it would lower the reserve requirement for commercial lenders by 50 basis points, the second time it has taken such action this year to inject more market liquidity and shore up

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The People's Bank of China says the economy is still facing downward pressure. Meanwhile, the global financial market has shown major fluctuations recently. Therefore, the central bank has concluded that it's necessary to apply flexible monetary poli

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China's sex ratio is quite worrying nowadays. According to census data, China's sex ratio at birth was 108 males to every 100 females in the early 1980s, only slightly above the natural rate of 103 to 107. In 2000 the ratio was 116.9 males to 100 fem

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Although snails can and do successfully mate without stabbing each other, studies have shown that darted snails store one-hundred-sixteen percent more sperm than undarted snails.