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进化论在自然界如何体现
2023-12-06Many students have difficulty understanding and explaining how evolution operates. In search of better ways to teach the subject, researchers at Michi...
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新研究意图提高葡萄酒质量
2023-12-06A gene expression study of grapevine(葡萄树) berries grown in different Italian vineyards has highlighted genes that help buffer(缓冲) the plants against e...
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人类注视时 喜鹊反应更迅速
2023-12-06Researchers from the Seoul National University found that wild birds appear to "think faster" when humans, and possibly predators in general...
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生物多样性对维持生态健康至关重要
2023-12-06Over the years ecologists have shown how biological diversity benefits the health of small, natural communities. New analysis by ecologists at UC Sant...
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强迫行为如何被引发
2023-12-06By activating a brain circuit that controls compulsive behavior, MIT neuroscientists have shown that they can block a compulsive behavior in mice -- a...
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免疫细胞如何检测感染
2023-12-06How do immune cells manage to sort through vast numbers of similar-looking proteins within the body to detect foreign invaders and fight infections? &...
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陆地上大量垃圾最终沉积于深海之中
2023-12-06Surprisingly large amounts of discarded trash end up in the ocean. Plastic bags, aluminum cans, and fishing debris not only clutter our beaches, but a...
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珊瑚礁骨架形成的生化过程
2023-12-06Rutgers scientists have described for the first time the biological process of how corals create their skeletons -- destined to become limestones(石灰岩)...
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细菌生长如何应对温度变化
2023-12-06Bioengineers at the University of California, San Diego have developed a computational model of 1,366 genes in E. coli that includes 3D protein struct...
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20世纪80年代中非大旱源于北半球空气污染
2023-12-06Decades of drought in central Africa reached their worst point in the 1980s, causing Lake Chad, a shallow lake used to water crops in neighboring coun...