2025-05-16 19:29:22动物植物
巴西亚马逊地区发现了一种引人注目的蓝色毒箭蛙

A team of wildlife researchers from Instituto Nacional de Pesquisas da Amazônia, in Brazil, working with a colleague from the National Museum of the Czech Republic, has discovered a new species of poison dart frog in the Brazilian Amazon rainforest. In th

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2025-05-16 19:14:54动物植物
改进的模型系统使研究人员能够研究胚胎发育

Research from Ph.D. candidate Bohan Chen in the lab of Idse Heemskerk of the Department of Cell and Developmental Biology at the University of Michigan Medical School and their colleagues improves upon a popular experimental model, and in doing so, reveal

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2025-05-16 19:03:05动物植物
晚更新世马DNA揭示了双向迁徙和与气候相关的种群下降

The horse originated in North America around four million years ago. As changing sea levels created land bridges between continents, the horse traveled into Eurasia. A team of 57 international researchers—including 18 Indigenous scientists from the Lakota

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2025-05-16 18:49:20动物植物
驯化的新定义挑战了传统的家养物种观

Cats, dogs and farm animals are what come to mind when we think of domesticated animals. For ages, domestication has been portrayed as a uniquely human accomplishment, where species become domestic only through our deliberate control.

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2025-05-16 01:30:43动物植物
数字重建揭示了史前生活的80个步骤

A dinosaur's 40-second journey more than 120 million years ago has been brought back to life by a University of Queensland-led research team using advanced digital modeling techniques.

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2025-05-16 01:20:12动物植物
并非所有猩猩妈妈都以同样的方式抚养孩子

A new study of wild Sumatran orangutans by researchers at the Max Planck Institute of Animal Behavior (MPI-AB) has found that mothers consistently differ in their maternal behaviors toward their infants, even after controlling for biological, social, and

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2025-05-16 01:06:18动物植物
保护海草可以防止数十亿美元的损失

The world's seagrasses possess a remarkable ability to capture and store vast amounts of carbon, according to a global study published in Nature Communications.

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2025-05-16 00:52:08动物植物
X射线扫描揭示了化石形成的秘密,而不会干扰自然衰变过程

A new study published in Palaeontology has confirmed that X-ray computed tomography (XCT scanning) can be used to monitor decomposing organisms without altering the natural decay process—a vital step in understanding how fossils form.

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2025-05-16 00:37:57动物植物
化石发现将澳大利亚树蛙的起源追溯到2200万年前

Newly discovered evidence of Australia's earliest species of tree frog challenges what we know about when Australian and South American frogs parted ways on the evolutionary tree.

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2025-05-16 00:25:51动物植物
揭开抑制辣椒辣味的化合物:研究挑战斯科维尔量表的可靠性

When biting into a chili pepper, you expect a fiery sensation on your tongue. This spiciness is detected because of capsaicinoid compounds. But for some peppers, despite high levels of capsaicinoids, the heat is mysteriously dull.

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2025-05-16 00:15:26动物植物
荧光成像揭示了运动系统中肌肉骨骼组件的胚胎整合

The musculoskeletal system provides structural support, enabling movement such as walking and lifting, protecting internal organs, maintaining posture, generating heat through muscle activity, and coordinating with the nervous system. One of the many comp

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2025-05-16 00:01:45动物植物
研究发现,森林和田野边缘的灌木边缘生物多样性蓬勃发展

Shrub fringes on the edges of forests and fields protect animal species and have a positive effect on biodiversity, reports a research team from the University of Würzburg.

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