2024-06-29 22:33:43动物植物
研究人员绘制了果蝇控制翅膀和腿部运动的神经网络图

Scientists at the University of Washington and Harvard Medical School, in collaboration with the ESRF, have discovered the neural circuits that coordinate leg and wing movements in the fruit fly (Drosophila). This could lead to a better understanding of h

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2024-06-29 22:20:03动物植物
我们的研究表明,数学让寻找蝙蝠栖息地变得容易多了

Finding bats is hard. They are small, fast and they primarily fly at night.

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2024-06-29 22:06:33动物植物
在印度洋作业的工业船队关闭监控系统,未履行报告义务

Industrial fleets from top fishing countries operating in the Indian Ocean and targeting export-market species such as tuna and squid are likely to disable monitoring systems to fish more than allowed and evade authorities, new research has found.

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2024-06-29 21:54:34动物植物
研究人员发现线粒体转移如何恢复心肌

Transferring mitochondria from a patient's healthy skeletal muscle to damaged, ischemic heart tissue has been shown to restore heart muscle, increase energy production, and improve ventricular function.

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2024-06-29 21:42:14动物植物
科学家确定连接蛋白分子允许细胞相互发送信息

Researchers have gained new knowledge of how drugs bind to connexin molecules. These molecules form channels that allow neighboring cells to send direct messages to one another. Dysfunctions of these channels are involved in neurological and cardiac disea

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2024-06-29 21:28:44动物植物
蝴蝶鳞片形成的最初时刻会发生什么

A butterfly's wing is covered in hundreds of thousands of tiny scales like miniature shingles on a paper-thin roof. A single scale is as small as a speck of dust, yet surprisingly complex, with a corrugated surface of ridges that help to wick away water,

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2024-06-29 21:16:54动物植物
科学家发现下一代可编程基因组设计系统

In a leap forward for genetic engineering, a team of researchers from the Arc Institute have discovered the bridge recombinase mechanism, a precise and powerful tool to recombine and rearrange DNA in a programmable way.

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2024-06-29 21:05:50动物植物
重写armadillo家谱:一个新物种,加上得克萨斯州哺乳动物的更名

While their scaly armor and long claws look vaguely reptilian, armadillos belong to the same group of mammals as sloths and anteaters. There are nearly two dozen species of armadillos, from six-inch long "pink fairies" to giant armadillos that m

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2024-06-29 20:55:30动物植物
从起飞到飞行,苍蝇的神经系统线路被绘制出来

Work is underway on a wiring diagram of the motor circuits in the central nervous system that control muscles in fruit flies. This connectome, as the wiring diagram is called, is already providing detailed information on how the nerve coordination of leg

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2024-06-29 20:42:27动物植物
研究人员表示,珊瑚白化的未来风险将在全球范围内加剧

An international team of researchers led by the University of Adelaide has projected future marine heat waves will cause coral reefs to be at severe risk of bleaching for longer periods than previously seen.

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2024-06-29 20:28:57动物植物
研究表明,矛盾的是,关闭DNA转录的过程也会开启它

Researchers led by Kannosuke Yabe, Asuka Kamio, and Soichi Inagaki of the University of Tokyo have discovered that in thale cresses histone H3 lysine-9 (H3K9) methylation, conventionally thought to be a mark of turning off gene transcription, can also tur

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2024-06-29 20:14:43动物植物
重新引入皇家岛的狼暂时会影响其他食肉动物,人类也有影响

In a rare opportunity to study carnivores before and after wolves were reintroduced to their ranges, researchers from the University of Wisconsin–Madison found that the effects of wolves on Isle Royale have been only temporary. And even in the least-visit

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