文章列表
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1.美科学家发明精密机器水母
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Engineers at Virginia Polytechnic(工业学院) Institute and State University (VirginiaTech) have developed a robot that mimics the graceful motions of...
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2.适量运动可改善睡眠质量
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People sleep significantly better and feel more alert during the day if they get at least 150 minutes of exercise a week, a new study concludes. A nat...
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3.2050年世界粮食需求将翻番
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Global food demand could double by 2050, according to a new projection by David Tilman, Regents Professor of Ecology in the University of Minnesota's ...
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4.公众对缓解全球变暖政策支持不足
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People who believe there is a lot of disagreement among scientists about global warming tend to be less certain that global warming is happening and l...
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5.捕食者促进了箭毒蛙肤色的进化
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Natural selection has played a role in the development of the many skins patterns of the tiny Ranitomeya imitator(模仿者) poison dart frog, accordin...
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6.研究人员发现生成细胞外泡新方法
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Researchers at NYU Langone Medical Center have discovered a protein called TAT-5 that affects the production of extracellular(细胞外的) vesicles, sm...
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7.古代地球物种大灭绝的准确时间确立
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It's well known that Earth's most severe mass extinction occurred about 250 million years ago. What's not well known is the specific time when the ext...
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8.啤酒为何会吸引苍蝇
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Ever wondered why flies are attracted to beer? Entomologists(昆虫学家) at the University of California, Riverside have, and offer an explanation. Th...
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9.科学家成功在真空中生成光线
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Scientists at Chalmers have succeeded in creating light from vacuum(真空) -- observing an effect first predicted over 40 years ago. In an innovative...
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10.新式仪器监控糖尿病人 省时省力
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In the fast-paced world of health care, doctors are often pressed for time during patient visits. Researchers at the University of Missouri developed ...