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气候变暖影响棱皮龟的繁殖
2023-12-06When leatherback(棱皮龟) turtle hatchlings dig out of their nests buried in the sandy Playa Grande beach in northwest Costa Rica, they enter a world fill...
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火星陨石中发现有机碳
2023-12-06Molecules containing large chains of carbon and hydrogen--the building blocks of all life on Earth--have been the targets of missions to Mars from Vik...
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海洋保护区有效维持着渔业资源
2023-12-06Researchers reporting online on May 24 in the Cell Press journal Current Biology present the first evidence that areas closed to all fishing are helpi...
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火山活动与水晶生成
2023-12-06A forensic(法院的,辩论的) approach that links changes deep below a volcano to signals at the surface is described by scientists from the University of Brist...
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基因决定植物的开花时间
2023-12-06Scientists believe they've pinpointed the last crucial piece of the 80-year-old puzzle of how plants "know" when to flower. Determining ...
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人类对宇宙知之甚少
2023-12-06The universe is a marvelously complex place, filled with galaxies and larger-scale structures that have evolved over its 13.7-billion-year history. Th...
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钙片能增加患心脏病的几率
2023-12-06Calcium supplements might increase the risk of having a heart attack, and should be "taken with caution," concludes research published in th...
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海草能吸收与森林等量的碳元素
2023-12-06Seagrasses are a vital part of the solution to climate change and, per unit area, seagrass meadows can store up to twice as much carbon as the world...
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须鲸身体中发现新感觉器官
2023-12-06Scientists at the University of British Columbia and the Smithsonian Institution have discovered a sensory organ in rorqual(须鲸科) whales that coordinat...
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巴拿马发现新青蛙品种
2023-12-06A new bright yellow frog species has been found in the mountains of western Panama. The frog belongs to a species-rich group of frogs, the so called r...