2025-02-25 16:23:59动物植物
基于网络的应用程序可以识别世界各地和农场周围的昆虫

A farmer notices an unfamiliar insect on a leaf. Is this a pollinator? Or a pest? Good news at harvest time? Or bad? Need to be controlled? Or not?

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2025-02-25 16:11:50动物植物
分子开关在转变的关键时刻逆转癌变

Professor Kwang-Hyun Cho's research team of the Department of Bio and Brain Engineering at KAIST has captured the critical transition phenomenon at the moment when normal cells change into cancer cells and analyzed it to discover a molecular switch hidde

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2025-02-25 16:09:25前沿信息
发现新的声波现象

A unique propagation phenomenon of acoustic waves has been discovered, paving the way for developing advanced communication technologies using acoustic devices.

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2025-02-25 16:01:49动物植物
巨型噬菌体喜欢杀死细菌——它们能被用作抗生素吗?

Phages are viruses that attack bacteria by injecting their DNA, then usurping bacterial machinery to reproduce. Eventually, they make so many copies of themselves that the bacteria burst. By looking at this process in a unique type of virus called a jumbo

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2025-02-25 15:54:17前沿信息
纳米颗粒糊剂的惊人寿命为手术节约技术带来了希望

A nanotechnology-based drug delivery system developed at UVA Health to save patients from repeated surgeries has proved to have unexpectedly long-lasting benefits in lab tests—a promising sign for its potential to help human patients.

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2025-02-25 15:47:46动物植物
罕见的翼龙化石揭示了7600万年前鳄鱼的咬伤

The fossilized neck bone of a flying reptile unearthed in Canada shows tell-tale signs of being bitten by a crocodile-like creature 76 million years ago, according to a study published 23 January in the Journal of Paleontology.

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2025-02-25 15:41:36前沿信息
用粘性胶带发电:后续研究提供了改进版本

Zaps of static electricity might be a wintertime annoyance, but to certain scientists, they represent an untapped source of energy. Using a device called a triboelectric nanogenerator (TENG), mechanical energy can be converted into electrical energy using

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2025-02-25 15:35:42动物植物
兰花独特的结构揭示了新的自花授粉机制

130 years after a fungus-eating plant received its name, a Kobe University researcher has uncovered the purpose of the structure that inspired its name—revealing a novel mechanism by which plants ensure reproduction.

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2025-02-25 15:26:47前沿信息
3D打印纳米柱模拟大脑环境促进神经元生长

Key cells in the brain, neurons, form networks by exchanging signals, enabling the brain to learn and adapt at incredible speed. Researchers at the Delft University of Technology in The Netherlands (TU Delft) have developed a 3D-printed brain-like environ

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2025-02-25 15:22:15动物植物
研究显示赤蠵龟的分布范围迅速变化

Loggerhead sea turtles are sentinels for changing oceans. In a new analysis covering nearly 30 years of data on turtle movements, sea surface temperatures, and seawater chlorophyll levels, Stanford scientists found that the reptiles are shifting their ran

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2025-02-25 15:12:55前沿信息
由纳米半导体制成的光扭曲材料可能会改变光学的游戏规则

Cornell scientists have developed a novel technique to transform symmetrical semiconductor particles into intricately twisted, spiral structures—or "chiral" materials—producing films with extraordinary light-bending properties.

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2025-02-25 15:10:51动物植物
不寻常的硫途径为高优先级病原体提供了一个有前景的靶点

The tell-tale smell of rotten eggs is often a sign that sulfur is at work. Sulfur is a key element in proteins such as keratin, which makes hair and nails tough, and used in agriculture to make fertilizers. Researchers at UCD Conway Institute in Universit

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