2024-06-06 23:02:16动物植物
致命吸引力:当濒危物种试图与国内亲属交配时,野生动物和人类都会失去

Sticks and stones aren't enough to thwart biological attraction, but sometimes those are the only tools available to pastoralists trying to prevent wildlife from eloping with their livestock.

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2024-06-06 22:51:28动物植物
一些物种可能比预期更能忍受气候变化

A new model, developed by Ifremer and Lausanne University researchers and published in the journal Nature Ecology and Evolution, reassesses the proportion of terrestrial and marine species threatened with extinction by climate change.

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2024-06-06 22:38:52动物植物
科学家发现了一种可以产生弹性“精灵”玉米的基因

A widely found gene in plants has been newly identified as a key transporter of a hormone that influences the size of corn. The discovery offers plant breeders a new tool to develop desirable dwarf varieties that could enhance the crop's resilience and p

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2024-06-06 22:25:05动物植物
研究人员发现RNA编辑位点可能在遗传疾病中发挥更重要的作用

New findings by University at Buffalo researchers reveal that RNA editing may play a larger role in human biology and in the development of human disease than has generally been understood.

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2024-06-06 22:10:50动物植物
研究表明,敏锐的触觉有助于蜂鸟在花朵附近盘旋而不会撞到花朵

Hummingbirds seem like a marvel of nature and engineering: a living creature that can hover near a flower with surgical precision. How do they do this?

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2024-06-06 21:57:33动物植物
现存类人猿X和Y染色体全序列的测定

Newly generated, complete "end-to-end" reference genomes for the sex chromosomes of five great ape species and one lesser ape species—produced by an international collaborative team led by researchers at Penn State, the National Human Genome Res

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2024-06-06 21:42:56动物植物
活得快,死得早:研究揭示栖息地干扰对阿拉伯牙鲆社会组织的影响

Habitat change, fragmentation, and reduction caused by human activity are significant threats to the natural environment, leading to a decline in biodiversity and increased species extinction. Among the most vulnerable are social animals, whose intricate

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2024-06-06 21:28:01动物植物
了解植物呼吸:研究确定了气孔节律运动背后的关键蛋白质相互作用

In a study published in Nature Communications, researchers have deciphered the molecular mechanism that regulates the rhythmic movements of stomata throughout the day.

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2024-06-06 21:17:56动物植物
新型抗生素杀死致病菌,保护健康肠道微生物

Researchers have developed a new antibiotic that reduced or eliminated drug-resistant bacterial infections in mouse models of acute pneumonia and sepsis while sparing healthy microbes in the mouse gut. The drug, called lolamicin, also warded off secondary

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2024-06-06 21:03:53动物植物
研究表明,兰花通过共享的地下真菌网络培育幼苗

The Common Spotted Orchid (Dactylorhiza fuchsii) is found all over the U.K. These orchids produce tiny seeds that can be carried anywhere by the wind, yet they often appear in clumps with small seedlings growing near mature plants. This phenomenon has puz

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2024-06-06 20:51:42动物植物
野生大都市:研究显示洛杉矶出现了意想不到的生物多样性辣椒

UCLA biologists have some good news and some bad news for lovers of urban wildlife in Los Angeles. The good news? Unexpected pockets of biodiversity pepper the city. The bad news? It will be a challenge to elevate the level of overall biodiversity of the

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2024-06-06 20:41:40动物植物
斑马鱼是怎么长出条纹的?研究人员离找到答案又近了一步

Although zebrafish are much smaller and less famous than their terrestrial namesakes, the tiny fish possess a unique ability: They can rapidly change the color of their characteristic stripes from blue to yellow when they're distressed.

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