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早期农业发展之前人口已激增
2023-12-06University of Utah anthropologists counted the number of carbon-dated artifacts at archaeological sites and concluded that a population boom and scarc...
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量子世界与传统世界
2023-12-06In the quantum world, physicists study the tiny particles that make up our classical world - neutrons, electrons, photons - either one at a time or in...
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南极海冰中发现甲基水银
2023-12-06New research has found methylmercury -- a potent neurotoxin -- in sea ice in the Southern Ocean. Published today in the journal Nature Microbiology, t...
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森林大火威胁斑点猫头鹰的生存
2023-12-06As climate changes and wildfires get larger, hotter and more frequent, how should public lands in the American West be managed to protect endangered c...
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螳螂虾利用紫外光斑以及化学信号来评估对手体型
2023-12-06Mantis shrimp, often brightly colored and fiercely aggressive sea creatures with outsized strength, use the ultraviolet reflectance of their color spo...
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纳米比亚沙漠大象传递知识以生存
2023-12-06Despite reported differences in appearance and behavior, DNA evidence finds that Namibian desert elephants share the same DNA as African savanna eleph...
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融雪较早会减少森林的CO2吸收量
2023-12-06Earlier snowmelt periods associated with a warming climate may hinder subalpine forest regulation of atmospheric carbon dioxide (CO2), according to th...
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冰原融化可能释放出冷战时期的废物
2023-12-06Climate change could remobilize abandoned hazardous waste thought to be buried forever beneath the Greenland Ice Sheet, new research finds. Camp Centu...
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光可以在电子中存在
2023-12-06New research suggests that it is possible to create a new form of light by binding light to a single electron, combining the properties of both. Accor...
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35亿年前水星曾有大规模的火山活动
2023-12-06New research from North Carolina State University finds that major volcanic activity on the planet Mercury most likely ended about 3.5 billion years a...