2024-07-02 10:28:05动物植物
6000万年前的葡萄籽揭示了恐龙的死亡可能为葡萄的传播铺平了道路

If you've ever snacked on raisins or enjoyed a glass of wine, you may, in part, have the extinction of the dinosaurs to thank for it. In a discovery described in the journal Nature Plants, researchers found fossil grape seeds that range from 60 to 19 mil

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2024-07-02 10:19:08前沿信息
纳米尺度力测量的进展为前所未有的生物学见解打开了大门

New research has revealed a new way to measure incredibly minute forces at the nanoscale in water, pushing the boundaries of what scientists know about the microscopic world.

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2024-07-02 10:17:08动物植物
“庞贝三叶虫”:在火山灰中发现的保存完好的古代海洋生物化石

If you've ever visited the fossil gallery of a natural history museum—or its gift shop, for that matter—you've probably seen the armored body remains (or exoskeletons) of an extinct group of animals called trilobites. These ancient marine arthropods liv

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2024-07-02 10:06:25前沿信息
通过扭曲堆叠三层石墨烯可以加速电化学反应

Tri-layer may be better than bi-layer for manufacturing, improving the speed and capacity of electrochemical and electrocatalytic devices.

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2024-07-02 09:51:35前沿信息
电机用高性能铜/石墨烯复合导体的研究

A study, led by Tingting Zuo, was based on the idea of in-situ growth, and a series of Cu/Gr composites with improved interfaces were prepared by vacuum hot press sintering. Combined with cold-drawing and heat-treatment processes, composite wires with ext

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2024-07-02 09:36:48前沿信息
研究人员开发可调谐防伪材料

Counterfeiters are becoming increasingly more sophisticated in forging everything from diplomas and currency to medications and artwork. While protective measures such as luminescent markings (which glow under ultraviolet light) have been around for a whi

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2024-07-02 09:22:08前沿信息
新的类器官培养方法可以验证纳米材料对人体的毒性

The Korea Research Institute of Standards and Science (KRISS) has developed the world's first organoid culture method capable of accurately assessing human toxicity of nanomaterials. Overcoming the limitations of the conventional culture method, this new

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2024-07-02 09:09:49前沿信息
新研究揭示微小稀土元素的形成秘密

Researchers from Trinity College Dublin's School of Natural Sciences have revealed a novel route to the formation of bastnäsite, a crucial mineral for the extraction of rare earth elements (REEs). Their work offers promise in one day making the extractio

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2024-07-02 08:55:29前沿信息
研究人员用金膜将秘密从表面哄出来

Using a special wafer-thin gold membrane, ETH researchers have made it significantly easier to study surfaces. The membrane makes it possible to measure properties of surfaces that are inaccessible to conventional methods.

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2024-07-02 08:42:13前沿信息
突破性的纳米多孔材料表现出巨大的压电响应

Recently a super-strain nanoporous material, barium calcium zirconium titanate composition (Ba0.85Ca0.15)(Ti0.9Zr0.1)O3 (BCZT) was created, which showcases an extraordinary piezoelectric response (d33 ≈7500 pm V-1) . This value represents an order of magn

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2024-07-02 08:26:58前沿信息
揭示多层囊泡内部的动态编排

Our cells and the machinery inside them are engaged in a constant dance. This dance involves some surprisingly complicated choreography within the lipid bilayers that comprise cell membranes and vesicles—structures that transport waste or food within cell

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2024-07-02 08:11:45前沿信息
扭曲碳纳米管纱线力学弱点的新见解

Aside from being an essential building block for life, carbon is being actively researched due to its versatility as an engineering material. Carbon nanotubes (CNTs), in particular, have demonstrated tremendous potential for aerospace, semiconductor, and

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