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姥鲨基因组被成功解码
2023-12-06An international team of researchers has sequenced the genome of the elephant shark, a curious-looking fish with a snout(鼻子) that resembles the end of...
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美宇航局观测到2014首次太阳黑子活动
2023-12-06An enormous sunspot, labeled AR1944, slipped into view over the sun's left horizon late on Jan. 1, 2014. The sunspot steadily moved toward the rig...
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超新星是星际尘埃的主要来源
2023-12-06Galaxies can be remarkably dusty places and supernovas are thought to be a primary source of that dust, especially in the early Universe. Direct evide...
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史前某种鲨鱼在河流三角洲繁育后代
2023-12-06Like salmon(大马哈鱼) in reverse, long-snouted Bandringa sharks migrated downstream from freshwater swamps(沼泽,湿地) to a tropical coastline to spawn 310 mil...
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过度捕捞的滚雪球效应
2023-12-06Florida State University researchers have spearheaded(带头,做先锋) a major review of fisheries research that examines the domino effect that occurs when to...
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沙特首次发现恐龙化石
2023-12-06Dinosaur fossils are exceptionally rare in the Arabian Peninsula. An international team of scientists from Uppsala University, Museum Victoria, Monash...
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双子座行星成像仪已被送入太空
2023-12-06After nearly a decade of development, construction and testing, the world's most advanced instrument for directly imaging and analyzing planets or...
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孕烯醇酮可保护大脑免于大麻影响
2023-12-06Two INSERM research teams led by Pier Vincenzo Piazza and Giovanni Marsicano (INSERM Unit 862 "Neurocentre Magendie" in Bordeaux) recently d...
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环境影响有机体的复杂性
2023-12-06Scientists have demonstrated that organisms with greater complexity are more likely to evolve in complex environments, according to research published...
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阿特拉斯山漂浮在熔岩层之上
2023-12-06The Atlas Mountains defy the standard model for mountain structure in which high topography(地势) must have deep roots for support, according to a new s...