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气候温和时树冠下的积雪比空地融化地快
2023-12-06It's a foggy fall morning, and University of Washington researcher Susan Dickerson-Lange pokes her index finger into the damp soil beneath a canop...
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任何单一基因的缺失都会导致基因组的变异
2023-12-06Johns Hopkins researchers report that the deletion of any single gene in yeast cells puts pressure on the organism's genome to compensate(补偿,赔偿), ...
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天文学家揭示神秘黑洞喷流的成分
2023-12-06An international team of astronomers has answered a long standing question about the enigmatic(神秘的) jets emitted by black holes, in research published...
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机场扫描系统可使聚变等离子波纹图像化
2023-12-06Millimeter-wave imaging technology is widely used in airborne radar(机载雷达), automotive sensors and full-body scanners for passenger screening at airpor...
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全球降水量与全球变暖之间的关系
2023-12-06The rain in Spain may lie mainly on the plain, but the location and intensity of that rain is changing not only in Spain but around the globe. A new s...
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运动队的忠实粉丝对对手代言的广告不买帐
2023-12-06A new study concludes that it doesn't matter how compelling an advertisement may be, most die-hard Oregon State Beavers fans will simply not purch...
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新研究发现引起糖尿病的蛋白质结块
2023-12-06People get type 2 diabetes(糖尿病). So do cats. But rats don't, and neither do dogs. Subtle differences in the shape of proteins protect some and end...
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澳洲发现一处有35亿年历史的沉积岩层
2023-12-06Reconstructing the rise of life during the period of Earth's history when it first evolved is challenging. Earth's oldest sedimentary rocks(沉积...
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重新审视碳纳米管
2023-12-06Despite their almost incomprehensibly(不可思议地) small size -- a diameter about one ten-thousandth the thickness of a human hair -- single-walled carbon n...
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美国发布治疗血胆固醇新的临床实践指南
2023-12-06The American College of Cardiology and the American Heart Association today released a new clinical practice guideline for the treatment of blood chol...