2025-02-22 17:38:18动物植物
在寻找新的更好的酶的过程中,人工智能走在了前列

Enzymes are crucial to life. They are nature's little catalysts. In the gut, they help us digest food. They can enhance perfumes or get laundry cleaner with less energy. Enzymes also make potent drugs to treat disease. Scientists naturally are eager to c

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2025-02-22 17:26:15动物植物
重新发现的化石揭示了4500万年前罕见的鸟类头骨

Around 45 million years ago, a 4.6 foot-tall (1.40 meters) flightless bird called Diatryma roamed the Geiseltal region in southern Saxony-Anhalt. An international team of researchers led by the Martin Luther University Halle-Wittenberg (MLU) and the Senck

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2025-02-22 17:11:45动物植物
最新研究发现,牛鼻射线利用其尾部作为微调天线

A pair of marine biologists at Harvard University has found that one of the main purposes of the cownose ray's tail is to serve as a fine-tuned antenna. In their study published in the Proceedings of the Royal Society B: Biological Sciences, Júlia Chaume

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2025-02-22 16:58:25动物植物
同类中规模最大的研究证明“鸟脑”用词不当

It's difficult to know what birds "think" when they fly, but scientists in Australia and Canada are getting some remarkable new insights by looking inside birds' heads.

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2025-02-22 16:47:48动物植物
人类学家发现,野生狒狒未能通过自我意识的镜像测试

A study published in Proceedings of the Royal Society B, found that while the baboons noticed and responded to a laser mark shining on their arms, legs and hands, they did not react when they saw, via their mirror reflection, the laser on their faces and

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2025-02-22 16:36:59动物植物
研究表明,早期人类的狩猎习惯重塑了食腐动物群落

A new study indicates that human behavior around 45,000 to 29,000 years ago contributed to a change in the composition of scavenging animal species living nearby. While smaller scavenging animals such as foxes and some bird species benefited from the pres

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2025-02-22 16:23:04动物植物
细胞研究中的人工智能:映射技术以前所未有的细节揭示了细胞动力学

Thanks to a new technology called Moscot ("Multi-Omics Single-Cell Optimal Transport"), researchers can now observe millions of cells simultaneously as they develop into a new organ—for example, a pancreas. This method was developed by an intern

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2025-02-22 16:10:24动物植物
最终合成酵母染色体完成,为生物技术进步铺平道路

Macquarie University researchers have worked with an international team of scientists to achieve a major milestone in synthetic biology by completing the creation of the final chromosome in the world's first synthetic yeast genome.

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2025-02-22 15:55:51动物植物
“嗡嗡叫我:”蜜蜂戴着小小的二维码揭示了蜂巢的秘密

Several hundred bees in rural Pennsylvania and rural New York are sporting tiny QR codes on their backs. More than the latest in apiarian fashion, the little tags serve a scientific purpose: tracking when bees go in and out of their hives to better unders

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2025-02-22 15:41:48动物植物
研究发现,在利用地下网络时,植物比利他主义者更有可能成为“窃听者”

A new study led by the University of Oxford has used a modeling approach to show that it is unlikely that plants would evolve to warn other plants of impending attack. Instead of using their communication networks to transmit warning signals, the findings

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2025-02-22 15:28:14动物植物
模型显示进化有许多最佳结果可供选择

Is there only one optimal configuration an organism can reach during evolution? Is there a single formula that describes the trajectory towards the optimum? And can we 'derive' it in a purely theoretical fashion?

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2025-02-22 15:15:20动物植物
生物发光细胞成像升级使同时跟踪多个目标变得更加容易

Imaging live cells with fluorescent proteins has long been a crucial technique for understanding cellular behavior. While bioluminescent proteins offer several advantages over fluorescent proteins, the limited availability of color variants has made it di

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