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神秘化石为昆虫进化提供新线索
2023-12-06German scientists at the Stuttgart Natural History Museum were leading in the discovery of a new insect order from the Lower Cretaceous of South Ameri...
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乳牛场温室气体排放详细数据
2023-12-06U.S. Department of Agriculture (USDA) scientists have produced the first detailed data on how large-scale dairy(乳品的) facilities contribute to the emis...
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中世纪重型盔甲消耗战士过多能量
2023-12-06The French may have had a better chance at the Battle of Agincourt had they not been weighed down by heavy body armour, say researchers. A study publi...
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金融报告中动词和名词减少预示着股市泡沫
2023-12-06When the language used by financial analysts and reporters becomes increasingly similar the stock market may be overheated, say scientists. After exam...
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已婚男人寻求心脏病治疗更快
2023-12-06Men who are married or in common-law relationships seek medical care sooner for heart attacks compared with single, divorced or widowed men, found a n...
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硒化镉量子点在土壤中分解产生有毒物质
2023-12-06Quantum dots made from cadmium(镉) and selenium(硒) degrade in soil, unleashing toxic cadmium and selenium ions into their surroundings, a University at...
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二手烟的另一危害——听力损失
2023-12-06NYU School of Medicine researchers report in a new study that exposure to tobacco smoke nearly doubles the risk of hearing loss among adolescents. The...
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氢气是生产高质量石墨烯的关键因素
2023-12-06A new approach to growing graphene(石墨烯) greatly reduces problems that have plagued researchers in the past and clears a path to the crystalline form o...
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太阳能电池板能降低建筑物温度
2023-12-06Those solar panels on top of your roof aren't just providing clean power; they are cooling your house, or your workplace, too, according to a team...
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癌细胞与干细胞有相同的起源
2023-12-06Oncogenes(致癌基因) are generally thought to be genes that, when mutated, change healthy cells into cancerous tumor cells. Scientists at the Keck School o...