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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2023-11-20 15:58:07考古学
研究表明,我们的欧洲祖先吃海藻和淡水植物

For many people seaweed holds a reputation as a superfood, heralded for its health benefits and sustainability, but it appears our European ancestors were ahead of the game and were consuming the nutrient-rich plant for thousands of years.

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2023-11-20 15:58:06考古学
古老的钻石照亮了地球的进化

The analysis of ancient, superdeep diamonds dug up from mines in Brazil and Western Africa, has exposed new processes of how continents evolved and moved during the early evolution of complex life on Earth.

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2023-11-20 15:58:06考古学
尼安德特人和萨皮恩人的基因组所揭示的相遇

About 40,000 years ago, Neanderthals, who had lived for hundreds of thousands of years in the western part of the Eurasian continent, gave way to Homo sapiens, who had arrived from Africa. This replacement was not sudden, and the two species coexisted for

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