2024-05-16 15:55:37动物植物
首次发现蝎子、蜘蛛和鲎的祖先

Who were the earliest ancestors of scorpions, spiders and horseshoe crabs? A Ph.D. student from the University of Lausanne (Switzerland), with the support of a CNRS researcher, has identified a fossil that fills the gap between modern species and those fr

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2024-05-16 15:45:07动物植物
研究支持了人类进化出长跑捕捉猎物的能力的理论

A pair of anthropologists, one with Trent University, in Canada, the other with the University of California, Davis, in the U.S., reports evidence in support of a theory that humans developed the ability to run long distances to capture fast-running anima

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2024-05-16 15:31:38动物植物
通过分析大猩猩异常生殖系统发现人类男性不育的新候选基因

Despite their formidable bodies, male gorillas are lacking in one particular area of their anatomy.

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2024-05-16 15:21:21动物植物
研究表明,卷尾猴在地下用棍子和石头挖食物

Capuchin monkeys are omnivores whose diet in the wild may include buds, flowers, leaves, seeds, nuts, fruit, and berries; as well as birds, eggs, small mammals, mollusks and arthropods such as insects and spiders.

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2024-05-16 15:10:44动物植物
虎甲虫用超声波模仿击退蝙蝠的攻击

Bats, as the main predator of night-flying insects, create a selective pressure that has led many of their prey to evolve an early warning system of sorts: ears uniquely tuned to high-frequency bat echolocation. To date, scientists have found at least six

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2024-05-16 14:58:08动物植物
气候变化可能会显著改变北冰洋水母和其他凝胶状浮游动物的分布

Gelatinous zooplankton, including jellyfish and other diverse, nearly transparent organisms, play important roles in marine ecosystems. Climate change is expected to significantly alter their populations and distributions. New research published in Limnol

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2024-05-15 19:11:34前沿信息
研究团队开发硒化锡基材料的新薄膜沉积工艺

A research team has developed a new thin film deposition process for tin selenide-based materials. This process utilizes the metal-organic chemical vapor deposition (MOCVD) method, enabling thin film deposition on large wafer surfaces at a low temperature

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2024-05-15 18:59:54前沿信息
研究人员发现大规模生产紫外线全息图的最佳条件

Researchers have delved into the composition of nanocomposites for ultraviolet metasurface fabrication and determined the ideal printing material for crafting them. Their findings are featured in the journal Microsystems & Nanoengineering on April

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2024-05-15 18:48:47前沿信息
新的DNA折纸技术有望在医学上取得进展

A new technique in building DNA structures at a microscopic level has the potential to advance drug delivery and disease diagnosis, a study suggests.

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2024-05-15 18:37:35前沿信息
研究人员展示了纳米器件增强的辐射传热

Researchers from Japan have been working hard to keep their cool—or at least—keep their nanodevices from overheating. By adding a tiny coating of silicon dioxide to micro-sized silicon structures, they were able to show a significant increase in the rate

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2024-05-15 18:22:52前沿信息
设计师模仿自然的螺旋

Nature is filled with extraordinarily precise molecular shapes that fit together like a hand in glove. Proteins, for example, can assemble into a wide variety of well-defined shapes that grant them their function.

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2024-05-15 18:06:56前沿信息
高速原子力显微镜有助于解释某些生物分子在DNA包裹动力学中的作用

In plants and animals, the basic packaging units of DNA, which carry genetic information, are the so-called nucleosomes. A nucleosome consists of a segment of DNA wound around eight proteins known as histones.

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