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  • 全球变暖由氟氯烃引起
    12-06

    Chlorofluorocarbons (CFCs) are to blame for global warming since the 1970s and not carbon dioxide, according to a researcher from the University of Wa...

  • 乌龟的甲壳如何形成的
    12-06

    Through careful study of an ancient ancestor of modern turtles, researchers now have a clearer picture of how the turtles' most unusual shell came...

  • 斯坦福科学家发明高效锌空气电池
    12-06

    Stanford University scientists have developed an advanced zinc-air battery with higher catalytic activity and durability than similar batteries made w...

  • 睡眠影响注意缺陷症儿童的情感记忆
    12-06

    Sleep consolidates(巩固,联合) emotional memories in healthy children but not in children with attention-deficit hyperactivity disorder (ADHD), according t...

  • 森林与土壤不能完全吸收燃料废气
    12-06

    Leading world climate change experts have thrown cold water on the idea that planting trees can offset carbon dioxide emissions from fossil fuels. Pro...

  • 气候变化使82%加州本土鱼类面临灭绝
    12-06

    Salmon and other native freshwater fish in California will likely become extinct within the next century due to climate change if current trends conti...

  • 稀有物种在生态环境中的作用是独特的
    12-06

    A new study, published 28 May in the open access journal PLOS Biology, has revealed the potential importance of rare species in the functioning of hig...

  • 科学家发现二氧化碳分离新方法
    12-06

    Lawrence Livermore scientists have discovered and demonstrated a new technique to remove and store atmospheric carbon dioxide while generating carbon-...

  • 斟酒机器人需正确判断顾客意图
    12-06

    A robot in Cornell's Personal Robotics Lab has learned to foresee human action in order to step in and offer a helping hand, or more accurately, r...

  • 量子通讯有多安全?
    12-06

    Quantum communication systems offer the promise of virtually unbreakable encryption(加密). Unlike classical encryption, which is used to send secure dat...

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