2025-02-26 14:18:33动物植物
微小剪接体:研究人员揭示了一种重要的RNA-蛋白质复合物的新结构见解

In human cells, only a small proportion of the information written in genes is used to produce proteins. How does the cell select this information? A large molecular machine called the spliceosome continuously separates the coding and non-coding regions o

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2025-02-26 14:03:44动物植物
研究发现,一些病毒“冻结”其RNA以进行复制

They say that change takes time. Well, that's not the case for RNA. The small biological molecule acts like a switchboard operator, capable of changing its shape every few milliseconds so it can manipulate biological functions in the body. It has big job

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2025-02-26 13:52:16动物植物
“鸟鸣的ChatGPT”可能揭示语言在人脑中的连接方式

Just like ChatGPT and other generative language models train on human texts to create grammatically correct sentences, a new modeling method by researchers at Penn State trains on recordings of birds to create accurate birdsongs. The results could improve

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2025-02-26 13:38:38动物植物
模拟显示,狼有时间自我驯化并进化成狗

A team of mathematicians and statisticians from the University of Wisconsin-La Crosse, the University of Tennessee and Valparaiso University, all in the U.S., has found new evidence that wolves had ample time to self-domesticate and evolve into modern dog

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2025-02-26 13:25:37动物植物
凤头鹦鹉更喜欢浸泡在蓝莓酸奶中的面条:非灵长类动物食物调味行为的第一个证据

Researchers at the University of Veterinary Medicine Vienna are reporting that Goffin's cockatoos (Cacatua goffiniana) engage in food flavoring behavior by dunking food into soy yogurt. Experimentally controlled tests have confirmed that the birds select

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2025-02-26 13:10:40动物植物
黑蟹和红鲍鱼是加利福尼亚州沿海水域受气候威胁最严重的物种之一

Dungeness crab, Pacific herring, and red abalone are among the marine species most vulnerable to the changing climate's effect on California's coastal waters, finds a new study led by UC Santa Cruz researchers. In a paper published in the journal PLOS C

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2025-02-26 12:56:33动物植物
新的研究表明,细菌在死亡后进化以帮助邻近细胞

Darwin's theory of natural selection provides an explanation for why organisms develop traits that help them survive and reproduce. Because of this, death is often seen as a failure rather than a process shaped by evolution.

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2025-02-26 12:46:10动物植物
寒冷的气温促进了鸟类红眼病病原体在冬季饲养者中的传播

A pathogen for bird pink eye remains viable on bird feeders in winter conditions much longer than in summer conditions without losing any of its severity, according to a recent study.

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2025-02-26 12:31:41动物植物
研究发现,莫桑比克的蜂蜜猎人使用蜜鸟来定位75%的收成

A team of ornithologists from the University of Cape Town, in South Africa, and wildlife managers with the Niassa Carnivore Project, in Mozambique, has found that honey hunters in northern parts of Mozambique use honeyguide birds to find approximately 75%

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2025-02-26 12:20:27动物植物
古代翼龙骨骼可以启发航空航天工程的未来

The microarchitecture of fossil pterosaur bones could hold the key to lighter, stronger materials for the next generation of aircraft, new research has found.

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2025-02-26 12:08:01动物植物
Moa灭绝:研究表明,人类殖民决定了新西兰巨人的命运

New research has identified the extent to which human colonization and hunting contributed to the extinction of New Zealand's giant flightless bird, the moa.

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2025-02-26 11:54:22动物植物
以吉卜力工作室角色命名的“面部彩绘”新鱼类

Researchers in China have named a newly discovered fish species after the Studio Ghibli character San from "Princess Mononoke," based on its similar facial markings.

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