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  • 雄孔雀鱼体色进化受雌性影响
    12-06

    Guppies in the wild have evolved over at least half-a-million years -- long enough for the males' coloration(着色) to have changed dramatically. Yet...

  • 辐射病可能找到治疗良方
    12-06

    A combination of two drugs may alleviate(减轻,缓和) radiation sickness in people who have been exposed to high levels of radiation, even when the therapy ...

  • 古环境促使了生物多样性的变化
    12-06

    Much of our knowledge about past life has come from the fossil record -- but how accurately does that reflect the true history and drivers of biodiver...

  • 除草剂可能影响某些农作物生长
    12-06

    Purdue University researchers have discovered a fine-tuning mechanism involved in plant root growth that has them questioning whether a popular herbic...

  • 研究发现某些肿瘤的代谢途径
    12-06

    A research team led by UT Southwestern Medical Center scientists has identified an atypical(非典型的) metabolic pathway unique to some tumors, possibly pr...

  • 梦境多来源于痛苦的记忆
    12-06

    They say time heals all wounds, and new research from the University of California, Berkeley, indicates that time spent in dream sleep can help us ove...

  • 狗类起源于东亚地区
    12-06

    Researchers at Sweden's KTH Royal Institute of Technology say they have found further proof that the wolf ancestors of today's domesticated do...

  • 五大湖鱼类以入侵胭脂虾为食
    12-06

    The latest invader of the Great Lakes -- Hemimysis anomala, or more commonly the bloody red shrimp after its bright red spots -- may become a new food...

  • 毒品相关法规未能保护好孩子
    12-06

    "Would legal regulation and control of drugs better protect children?" is a question posed by former President of Brazil, Fernando Henrique ...

  • 美科学家发明精密机器水母
    12-06

    Engineers at Virginia Polytechnic(工业学院) Institute and State University (VirginiaTech) have developed a robot that mimics the graceful motions of jelly...

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