美国国家公共电台 NPR A New Kind Of March Madness Hits Schools

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Two years ago, Duke University Medical Center researchers said that the supposedly useless appendix is actually where good gut bacteria safely hide out during some unpleasant intestinal conditions. Now the research team has looked at the appendix ove

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This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? Quality truffles can sell for more than a $1000 a pound. Theyre also valuable in environmental research, work thats discussed in an article called The Hidden Life of Tru

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1. The White House says a Senate-backed deal to reopen the government and raise the debt ceiling achieves what's necessary. The deal would reopen the government through at least January 15th and the nation's borrowing authority would be extended thro

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VOA常速英语2007-New Program Aims to Support Youth in African Coc

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By Phil Mercer Sydney 23 October 2007 Australian researchers are teaming up with zoos and wildlife parks around the world in a bid to save the Tasmanian devil. It is the largest carnivorous marsupial and is being devastated by a mysterious facial tum