2025-02-26 01:23:03动物植物
基因研究揭示了塑造人类大脑进化的变化

A new Yale study provides a fuller picture of the genetic changes that shaped the evolution of the human brain, and how the process differed from the evolution of chimpanzees.

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2025-02-26 01:18:55前沿信息
碳纳米管的释放量如何超过其接收量

Three RIKEN physicists have discovered how tiny tubes of carbon spit out light that is more energetic than the light shone on them. This finding could help to exploit the process in applications such as solar power and biological imaging.

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2025-02-26 01:08:08动物植物
研究发现,神经细胞通过控制mRNA和蛋白质分布来优化能量

Nerve cells have amazing strategies to save energy and still perform the most important of their tasks. Researchers from the University Hospital Bonn (UKB) and the University of Bonn as well as the University Medical Center Göttingen found that the neuron

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2025-02-26 01:06:59前沿信息
光镊揭示分子穿梭中的前后运动是对称的

In molecular shuttles, a ring molecule is threaded onto a linear molecular strand and can move between two portions of the strand, called stations, in response to external stimuli. Chemical stimuli, light or mechanical forces determine the time the shuttl

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2025-02-26 00:53:54动物植物
科学家首次制作出香蕉蛞蝓的完整基因组

Scientists at UC Santa Cruz have completed the first end-to-end genome of the iconic Pacific banana slug, a species synonymous with California's coastal redwood forests and the university's beloved mascot.

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2025-02-26 00:50:24前沿信息
深度纳米测量:深度学习系统检测与疾病相关的纳米颗粒

Researchers, including those from the University of Tokyo, developed Deep Nanometry, an analytical technique combining advanced optical equipment with a noise removal algorithm based on unsupervised deep learning.

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2025-02-26 00:41:14动物植物
科学家阐明甲藻孢囊休眠背后的分子机制

Dinoflagellates play crucial roles in aquatic ecosystems, particularly as major contributors to harmful algal blooms. They can enter a dormant stage, known as the resting cyst stage, that allows them to survive for extended periods—up to 150 years—in mari

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2025-02-26 00:37:21前沿信息
微型天线的集合可以放大和控制任何方向偏振的光

Antennas receive and transmit electromagnetic waves, delivering information to our radios, televisions, cellphones and more. Researchers in the McKelvey School of Engineering at Washington University in St. Louis imagines a future where antennas reshape e

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2025-02-26 00:29:19动物植物
蛇颈龙的软组织显示,它的鳞片与海龟相似

A small team of archaeologists, geologists, paleontologists and climate scientists has found that at least one type of plesiosaur had scales on its flippers similar to modern sea turtle species. For their study, published in the journal Current Biology, t

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2025-02-26 00:26:17前沿信息
磁性纳米催化剂通过电子密度调节增强肿瘤治疗

Cancer therapy has always struggled with targeting tumor cells effectively while minimizing damage to healthy tissue. Traditional treatments, such as chemotherapy and radiation, often lack precision and cause serious side effects. As a result, there is a

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2025-02-26 00:14:59动物植物
Minecraft玩家现在可以探索整个细胞及其内容

Scientists have translated nanoscale experimental and computational data into precise 3D representations of bacteria, yeast and human epithelial, breast and breast cancer cells in Minecraft, a video game that allows players to explore, build and manipulat

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2025-02-26 00:09:56前沿信息
跨越血脑屏障:脂质纳米颗粒平台通过静脉注射将mRNA输送到大脑

Scientists at the Icahn School of Medicine at Mount Sinai have developed a lipid nanoparticle system capable of delivering messenger RNA (mRNA) to the brain via intravenous injection, a challenge that has long been limited by the protective nature of the

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