2025-05-16 20:19:40动物植物
科学家追踪到使橙色猫变成橙色的突变

Scientists have confirmed that there is something unique about ginger-hued domestic felines. In a new study, Stanford Medicine researchers have discovered the long-posited but elusive genetic mutation that makes orange cats orange—and it appears to occur

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2025-05-16 20:07:32动物植物
Cas9祖先被改造成一种紧凑的基因组编辑工具

Scientists at the McGovern Institute and the Broad Institute of MIT and Harvard have reengineered a compact RNA-guided enzyme they found in bacteria into an efficient, programmable editor of human DNA. The engineered protein, called NovaIscB, can be adapt

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2025-05-16 19:55:00动物植物
问答:唤醒“休眠”作物以应对当今的气候危机

Schoolchildren in America learn the story of the "three sisters" in agriculture: how Indigenous peoples planted corn, beans and squash in the same plots because these plants thrive together better than when they are planted alone.

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2025-05-16 19:43:46动物植物
先进的基因编辑器能够更精确地插入完整的基因

Ask scientists which gene-editing tool is most needed to advance gene therapy, and they'd probably describe a system that's now close to realization in the labs of Samuel Sternberg at Columbia University Vagelos College of Physicians and Surgeons and Da

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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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