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Alcohol Linked to One in 25 Deaths Worldwide

nationalgeographic.com -- VOICE ONE:A Canadian study says drinking alcohol is linked to one in every twenty-five deaths around the world. Alcohol was linked to deaths caused by accidents, injuries and violence. It was also linked to medical conditions like heart disease, liver disease and cancer.  The study was released in a series of articles published in the Lancet. It found that almost four percent of deaths around the ...     10-20     采编 leeivan45
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Artificial Speech

nationalgeographic.com -- Passage 1   Artificial Speech   Because speech is the most convenient form of communication, in the future we want essentially natural conversations with computers. The primary point of contact will be a simple device that will act as our window on the world. You will simply talk to it. The device will be permanently connected to the Internet and will beep relevant information up to you as it come...     08-10     采编 leeivan45
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The Wiener Gene: Stumpy Dogs Share Single Ancestor

nationalgeographic.com -- The humble wiener dog's stubby little legs hold a clue to both human dwarfism and evolution as a whole, a new study says. The key is in a newly identified gene that makes short-legged dogs, like the dachshund, so short, according to the research.Geneticist Heidi Parker and colleagues at the National Human Genome Research Institute in Maryland compared 76 different dog breeds—both short and tall—lo...     08-05     采编 Eris_13
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Arctic Fox

nationalgeographic.com -- The lush white coat of the arctic fox provides both warmth and camouflage in winter.Photograph by Norbert Rosing Arctic Fox ProfileThe arctic fox is an incredibly hardy animal that can survive frigid Arctic temperatures as low as –58°F (-50°C) in the treeless lands where it makes its home. It has furry soles, short ears, and a short muzzle—all-important adaptations to the chilly clime. Arctic foxe...     08-05     采编 Eris_13
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PHOTOS: Oldest Seahorses Found; Help Solve Mystery

nationalgeographic.com -- More News PhotosMay 4, 2009--The oldest seahorse fossils discovered to date have been uncovered in Slovenia, including this two-inch-long (five-centimeter-long) adult female Hippocampus sarmaticus fossil (left, and in an artist's reconstruction, right).The 13-million-year-old finds, which include the only known extinct seahorse species, are shedding light on how the naturally weak swimmers managed...     05-05     采编 saraa
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