2025-05-28 13:56:37前沿信息
从薄到大:使用高能辐射源进行经济实惠、更明亮、更快的扫描

Imagine a medical scanner that works faster and produces clearer images, or a radiation detector that pinpoints tiny traces of radioactive material with unprecedented accuracy. These futuristic possibilities are a step closer to reality thanks to new rese

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2025-05-28 13:42:24前沿信息
新工具揭示了DNA纳米结构如何与细胞膜相互作用

Lipid membranes, which form the outer layer of cells, can be engineered to influence cellular functions. For example, adjusting the permeability of the membrane can improve drug delivery. Adding signaling molecules to the membrane surface can also help di

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2025-05-28 13:30:03前沿信息
快速纳米粒子模拟可以促进对抗空气污染的努力

A pioneering method to simulate how nanoparticles move through the air could boost efforts to combat air pollution, suggests a study in the Journal of Computational Physics.

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2025-05-28 13:18:24前沿信息
天然矿物中的声子去耦实现了亚原子铁电存储器

A research team has discovered ferroelectric phenomena occurring at a subatomic scale in the natural mineral brownmillerite.

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2025-05-28 13:05:55前沿信息
晶体改性剂吡拉西坦为高效全钙钛矿叠层太阳能电池提供了可扩展的策略

All-perovskite tandem solar cells (TSCs) are a class of solar cells comprised of two or more sub-cells that absorb light with different wavelengths, all of which are made of perovskites (i.e., materials with a characteristic crystal structure known to eff

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2025-05-28 03:16:16动物植物
双作用肽可以靶向病毒,同时促进组织修复

Since the COVID-19 pandemic, global interest in antiviral therapies has increased significantly. Recently, with the growing attention to peptide-based drugs such as Wegovy, demand for effective peptide therapeutics derived from natural substances is rapid

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2025-05-28 03:02:53动物植物
干旱重塑欧洲森林,幼树面临“成败”时刻

The future of the European forests is at risk due to our changing climate. To observe the effects of climate change, we often look at the large trees. But the young trees are the future of the forest and are also the most vulnerable. The current drought i

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2025-05-28 02:52:25动物植物
老水,新见解:研究人员在森林实验室实验中研究“老水悖论”

Marius Floriancic runs quickly along a narrow, well-trodden path, heading deeper and deeper into the forest. It is a cool, damp Thursday morning at the end of April; it rained the night before and water is still occasionally dripping down from the treetop

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2025-05-28 02:38:54动物植物
人工智能仍在与蛋白质作斗争:来自变形血液蛋白的教训

A study by researchers at the Interuniversity Institute of Bioinformatics in Brussels, the Structural Biology research group at Vrije Universiteit Brussel, and IBiTech–BioMMedA Group of Ghent University reveals how a key blood protein involved in inflamma

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2025-05-28 02:25:21动物植物
科学家在发现新的海洋鞭毛虫后建立了新属

Researchers at the University of Tsukuba have identified a previously unknown species of unicellular organism in seawater collected near Hachijojima Island. The newly discovered species, named Viscidocauda repens, belongs to the protist group Endomyxa and

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2025-05-28 02:10:52动物植物
研究发现,随着气候变暖,候鸟现在每年秋天都会更早地蜕皮

Birds regularly shed and regrow their body and wing feathers in a process, called molting, that is critical for flight, migration, insulation, breeding and survival.

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2025-05-28 01:57:30动物植物
巨齿鲨:巨齿鲨的广泛饮食

Otodus megalodon was the largest predatory fish in Earth's history. Measuring up to 24 meters, it was longer than a truck with a trailer and weighed almost twice as much. Embedded in its jaws were triangular teeth the size of a hand, and its bite had the

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