2023-11-20 15:58:14考古学
基因研究揭示了“老汤姆”和伊甸园虎鲸的进化秘密

Evolutionary biologists have for the first time decoded the genetic lineage of a famous killer whale and a pod that once worked alongside whale hunters off the coast of New South Wales.

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2023-11-20 15:58:14考古学
尼安德特人基因变异与更大的疼痛敏感性相关

People who carry three gene variants that have been inherited from Neanderthals are more sensitive to some types of pain, according to a new study co-led by UCL researchers.

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2023-11-20 15:58:13考古学
木乃伊化的粪便揭示了前哥伦布时代的加勒比海文化消耗了多种植物

DNA analysis of mummified feces reveals two pre-Columbian Caribbean cultures ate a wide variety of plants, like maize, sweet potato, and peanuts -- and tobacco and cotton traces were detected too, according to a study published October 11, 2023 in the ope

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2023-11-20 15:58:12考古学
过去海洋氧气的大幅波动

As the climate warms, there is major concern that Earth's ocean will lose oxygen. A study published recently by oceanographers at the University of Hawai'i at Manoa revealed that locked in ancient deep-sea sediments is evidence for oxygen loss in the wo

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2023-11-20 15:58:12考古学
研究显示,《蒙娜丽莎》隐藏了一种令人惊讶的有毒颜料混合物

Leonardo da Vinci is renowned to this day for innovations in fields across the arts and sciences. Now, new analyses published in the Journal of the American Chemical Society show that his taste for experimentation extended even to the base layers

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2023-11-20 15:58:11考古学
非凡的化石发现揭示了灭绝的剑齿有袋动物的体重和饮食细节

Recent paleontological explorations in the Tatacoa Desert in Colombia led to the recovery of the most complete skeleton of a "saber-toothed marsupial" discovered in northern South America. The specimen belongs to the species Anachlysictis gracilis 阅读全文

2023-11-20 15:58:10考古学
非剥削性经济有利于伊比利亚半岛铜时代社区的繁荣

A study by UAB researchers describes the productive forces of the Chalcolithic communities of the southern half of the Iberian Peninsula as being very diverse, both in the type of tasks performed and in intensity, with a high degree of cooperation and no

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2023-11-20 15:58:10考古学
25年来,南极洲超过40%的冰架体积减少

71 of the 162 ice shelves that surround Antarctica have reduced in volume over 25 years from 1997 to 2021, with a net release of 7.5 trillion tonnes of meltwater into the oceans, say scientists.

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2023-11-20 15:58:09考古学
1200万年后,灭绝的类人猿接受了整容手术

A new study led by scientists at the American Museum of Natural History, Brooklyn College, and the Catalan Institute of Paleontology Miquel Crusafont has reconstructed the well-preserved but damaged skull of a great ape species that lived about 12 million

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2023-11-20 15:58:08考古学
格陵兰岛的冰盖表面融化正在加速,南极洲的融化正在放缓

Surface ice in Greenland has been melting at an increasing rate in recent decades, while the trend in Antarctica has moved in the opposite direction, according to researchers at the University of California, Irvine and Utrecht University in the Netherland

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2023-11-20 15:58:08考古学
科学家、哲学家发现了自然界缺失的进化规律

A paper in the journal Proceedings of the National Academy of Sciences today describes "a missing law of nature," recognizing for the first time an important norm within the natural world's workings.

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2023-11-20 15:58:07考古学
落基山脉北部的亚高山森林目前具有防火能力

Over 4,800 years in the Northern Rockies during wet periods and dry periods, subalpine forests consistently recovered from wildfires, growing back vegetation and leaving evidence of their resilience in lake sediment cores.

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