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詹姆斯·韦伯望远镜完成首轮低温测试
2023-12-06The first six of 18 segments that will form NASA's James Webb Space Telescope's primary mirror for space observations completed final cryogeni...
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英国发现“遗失的”蝙蝠
2023-12-06A University of Exeter biologist has discovered a 'lost' species of bat breeding on the Isles of Scilly (UK). A pregnant female brown long-ear...
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欧洲低生育率的原因
2023-12-06The post-war trend of falling birth rates has been reversed(颠倒,翻转) across Europe, according to a new study. However, despite an increasing emphasis on...
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改进工艺 制作“完美的玻璃”
2023-12-06Glasses differ from crystals. Crystals are organized in repeating patterns that extend in every direction. Glasses lack this strict organization, but ...
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氯胺酮为何具有显著的抗抑郁效果
2023-12-06UT Southwestern Medical Center scientists are shedding new light on why the anesthetic(麻醉的) drug ketamine produces a fast-acting antidepressant respon...
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波士顿大学学者发现新式微中子振荡
2023-12-06The international T2K collaboration announced today that they have observed an indication(指示) of a new type of neutrino(微中子) transformation or oscilla...
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哈特利2彗星处于活跃状态
2023-12-06Hartley 2's hyperactive(极度活跃的) state, as studied by NASA's EPOXI mission, is detailed in a new paper published in this week's issue of the...
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评估农药对地下水的影响
2023-12-06Assessing the environmental risk of pesticide use is an important, complex task that requires knowledge of the equilibrium(均衡,平静) sorption(吸附作用) param...
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阳光能降低金藻毒性
2023-12-06A new Baylor University study has found that sunlight decreases the toxicity of golden algae(金藻) , which kills millions of fish in the southern United...
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美女模特并不总带来销量
2023-12-06Having an attractive model shill(充当雇用骗子) for a product only helps influence sales in certain situations, according to a new study in the Journal of Co...