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  • 阅读器:指尖上的图书馆-2
    12-06

    Brown said that students would soon be able to carry all their books with them and ensure that they always had the most up-to-date edition. Eventually...

  • 阅读器:指尖上的图书馆-1
    12-06

    The printed page is facing its biggest threat with the launch of the first electronic book that people can read for hours without straining their eyes...

  • 电视机报假警引警察上门
    12-06

    TV Cries WolfChris van Rossman got an unexpected knock on his door one Saturday night last October. He opened the door and found himself standing face...

  • 什么叫“蓝牙”Bluetooth
    12-06

    What is Bluetooth? Bluetooth is a universal radio interface in the 2.45GHz frequency band that enables portable electronic devices to connect and comm...

  • 老年妇女适度饮酒防糖尿病
    12-06

    Drinking moderate amounts of alcohol appears to protect older women from developing type 2 or non-insulin-dependent diabetes, Dutch researchers report...

  • 维生素D可降低患癌症危险
    12-06

    Cancer researchers urged people on Wednesday to take more vitamin D to lower their risk of colon, breast and ovarian cancer, saying studies showed a c...

  • 健身九忌Exercise Errors-2
    12-06

    Lifting too much weight. Too much weight will contribute to poor form when lifting and create injury to other areas of the body in addition to the mus...

  • 健身九忌Exercise Errors-1
    12-06

    Exercise Errors Are you making mistakes when you exercise that make your workout ineffective? Or worse yet, are you doing things that could lead to co...

  • 知否:你的大脑在模仿疼痛
    12-06

    A University of Toronto study indicates an inflamed injury may increase levels of a protein responsible for persistent pain. And the enhanced levels o...

  • 你知道狗是怎么笑的吗?
    12-06

    An animal behaviorist says she's figured out what dogs are doing when they make that excited panting noise while playing or anticipating a much de...

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