2025-04-20 03:59:19前沿信息
TiO₂纳米粒子可同时修复地下水中的砷和铀

A research team led by Prof. Luan Fubo from the Research Center for Eco-Environmental Sciences of the Chinese Academy of Sciences, has uncovered a novel mechanism involving a ternary surface complex on titanium dioxide (TiO₂) that improves the simultaneou

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2025-04-20 03:52:49动物植物
中国南方发现的已知最古老的磷质层孔海绵

International scientists have uncovered the oldest known phosphatic stromatoporoid sponge, dating back approximately 480 million years to the Early Ordovician, in South China.

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2025-04-20 03:45:11前沿信息
磁性“微流”增强局部磁场

A flower-shaped structure only a few micrometers in size made of a nickel-iron alloy can concentrate and locally enhance magnetic fields. The size of the effect can be controlled by varying the geometry and number of "petals."

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2025-04-20 03:41:31动物植物
马、驴和斑马具有打破正常基因组规则的适应性

A genetic mutation in horses that would typically halt protein production has become a molecular asset. Researchers at Johns Hopkins University and Vanderbilt University have identified a rare instance of genetic recoding that enhances oxygen metabolism a

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2025-04-20 03:31:04前沿信息
负载DNA的脂质纳米颗粒有望为常见慢性疾病带来基因治疗

A breakthrough in safely delivering therapeutic DNA to cells could transform treatment for millions suffering from common chronic diseases like heart disease, diabetes, and cancer.

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2025-04-20 03:29:41动物植物
基于激光的方法揭示植物气孔压力动态,提供水分效率见解

Every time the temperature drops, a cloud passes overhead, or the sun sets, a plant makes a choice: Keep its microscopic pores, called stomata, open to absorb carbon dioxide and continue photosynthesizing or close them to protect its precious stores of wa

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2025-04-20 03:18:10动物植物
新的建模工具可以帮助保护野生动物免受海上开发的影响

Scientists have developed a new resource to better protect seabirds from the impacts of offshore wind farms. The innovative modeling tool has the potential to save wildlife, while ensuring the effective and sustainable development of renewable energy sour

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2025-04-20 03:16:01前沿信息
钯纳米粒子中的化学振荡可能为贵金属催化剂的回收铺平道路

Researchers at the University of Nottingham's School of Chemistry used transmission electron microscopy (TEM) to observe the complete lifecycle of palladium nanoparticles in a liquid environment, from nucleation through growth to dissolution, with the en

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2025-04-20 03:07:02动物植物
“她爱我,她不爱我”:科学家提出,物理力量促进了多细胞生命的进化

Humans like to think that being multicellular (and bigger) is a definite advantage, even though 80% of life on Earth consists of single-celled organisms—some thriving in conditions lethal to any beast.

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2025-04-20 02:59:47前沿信息
形状独特、快速加热的纳米颗粒可阻止卵巢肿瘤生长

New magnetic nanoparticles in the shape of a cube sandwiched between two pyramids represent a breakthrough for treating ovarian tumors and possibly other types of cancer, according to the Oregon State University researchers who developed them.

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2025-04-20 02:54:28动物植物
关键酶如何控制潜在的危险基因

You may have heard of the fantastic-sounding "dark side of the genome." This poorly studied fraction of DNA, known as heterochromatin, makes up around half of your genetic material, and scientists are now starting to unravel its role in your cel

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2025-04-20 02:44:00前沿信息
低噪声换能器可以弥合微波和光学量子比特之间的差距

In the effort to build superconducting quantum computers, researchers around the world are working to develop electrical circuits that operate in the microwave domain using individual particles of microwave radiation (microwave photons) as qubits—the basi

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