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直布罗陀发现尼安德特人使用的缺氧加热室

2024-11-27 15:51 by 太空谜案1

所有文化与文明,无论多么原始,由于对于机能特性或药用需求而从不同植物取得胶水、树脂和焦油,尼安德特人也不例外。尼安德特人通常使用桦木焦油或白樺魚作为粘合剂粘合石块,甚至用作咀嚼物,可能是作为药用。但是尚不清楚他们如何才能获得这种焦油。理论工作可分为两种方法:一种是简单而无效的方法,通过露天燃烧取得桦树皮,另一种更复杂的方法则需要把桦树片放在缺氧的环境中加热。现在科学家报告在直布罗陀发现了一个被用于缺氧加热室的洞穴。由于沙丘的快速推进,该遗迹已被沙丘封住,因此才能保存过去人类活动的真实踪迹。科学家称,“我们已经灭绝的表亲并不非是人们想象中的野蛮人类。”尼安德特人已被证明具有认知能力,正如本研究所得出的结论那样,该研究显示他们在制造树脂作为粘合剂,并将石尖固定在矛柄上的工业流程掌握。

https://www.sciencedirect.com/science/article/pii/S0277379124005274?via%3Dihub
https://www.eurekalert.org/news-releases/1066177?language=chinese

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直布罗陀发现尼安德特人使用的缺氧加热室

2024-11-27 15:51 by 太空谜案1

所有文化与文明,无论多么原始,由于对于机能特性或药用需求而从不同植物取得胶水、树脂和焦油,尼安德特人也不例外。尼安德特人通常使用桦木焦油或白樺魚作为粘合剂粘合石块,甚至用作咀嚼物,可能是作为药用。但是尚不清楚他们如何才能获得这种焦油。理论工作可分为两种方法:一种是简单而无效的方法,通过露天燃烧取得桦树皮,另一种更复杂的方法则需要把桦树片放在缺氧的环境中加热。现在科学家报告在直布罗陀发现了一个被用于缺氧加热室的洞穴。由于沙丘的快速推进,该遗迹已被沙丘封住,因此才能保存过去人类活动的真实踪迹。科学家称,“我们已经灭绝的表亲并不非是人们想象中的野蛮人类。”尼安德特人已被证明具有认知能力,正如本研究所得出的结论那样,该研究显示他们在制造树脂作为粘合剂,并将石尖固定在矛柄上的工业流程掌握。

https://www.sciencedirect.com/science/article/pii/S0277379124005274?via%3Dihub
https://www.eurekalert.org/news-releases/1066177?language=chinese

#科学

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Some people used the platform to organize ahead of the storming of the U.S. Capitol in January 2021, and last month Senator Mark Warner sent a letter to Durov urging him to curb Russian information operations on Telegram. On Feb. 27, however, he admitted from his Russian-language account that "Telegram channels are increasingly becoming a source of unverified information related to Ukrainian events." The news also helped traders look past another report showing decades-high inflation and shake off some of the volatility from recent sessions. The Bureau of Labor Statistics' February Consumer Price Index (CPI) this week showed another surge in prices even before Russia escalated its attacks in Ukraine. The headline CPI — soaring 7.9% over last year — underscored the sticky inflationary pressures reverberating across the U.S. economy, with everything from groceries to rents and airline fares getting more expensive for everyday consumers. Artem Kliuchnikov and his family fled Ukraine just days before the Russian invasion. Stocks dropped on Friday afternoon, as gains made earlier in the day on hopes for diplomatic progress between Russia and Ukraine turned to losses. Technology stocks were hit particularly hard by higher bond yields.
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