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中国科学家成功培育出正常功能的小白鼠精子
2023-12-06Scientists in China have finally succeeded in creating functioning sperm from mice in the laboratory. To accomplish this feat, the researchers coaxed ...
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其它物种灭绝会加速人类的进化
2023-12-06Just three years after crayfish were introduced to a B.C. lake, two species of fish that had existed in the lake for thousands of years were suddenly ...
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已经灭绝的神秘雕齿兽其实是巨型犰狳
2023-12-06New research reveals that the evolutionary history of glyptodonts -- huge, armored mammals that went extinct in the Americas at the end of the last ic...
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水下机器人经编程可以独立做决定
2023-12-06More than 70 percent of the Earth's surface is covered by water, yet scientists know more about space than about what happens in the ocean. One wa...
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音乐情感能量视觉化
2023-12-06Musical styles and genres differ around the world, but the emotional power of music is universally felt. To understand this evocative force, researche...
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城市的土壤会排放数量惊人的CO2
2023-12-06In the concrete jungle at the core of a city, carbon dioxide (CO2) emissions are dominated by the fossil fuels burned by the dense concentrations of c...
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办公室CO2浓度影响工作状态
2023-12-06You might think it's your colleagues or the pressures of work that's getting you down at the office, but new research suggests it could well b...
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研究:医生更有机会如愿安然离世
2023-12-06Doctors are less likely to die in hospital, have surgery or be admitted to intensive care, than the general public, new research has revealed.一项新研究表明,...
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厨房的整洁度影响食量
2023-12-06Turns out, you're not just what you eat -- you're also where you eat.研究证明,不仅你吃的是什么”很重要,你在哪儿吃的”也很重要。Researchers from Cornell Univer...
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睾酮疗法对老年男性有效
2023-12-06As men age, their sexual function, vitality and strength can decline, but researchers had not yet established whether testosterone treatment is actual...