2024-12-19 15:35:30动物植物
植物色素:使微藻能够在水生深处找到方向的“眼睛”

The phytoplankton that populate oceans are known to play a key role in marine ecosystems and climate regulation. Like terrestrial plants, they store atmospheric CO₂, and produce half of our planet's oxygen via photosynthesis. However, the mechanisms that

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2024-12-19 15:25:05动物植物
生态学家发现计算机视觉模型在检索野生动物图像时的盲点

Try taking a picture of each of North America's roughly 11,000 tree species, and you'll have a mere fraction of the millions of photos within nature image datasets. These massive collections of snapshots—ranging from butterflies to humpback whales—are a

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2024-12-19 15:14:30动物植物
宇航员芯片:多器官组织芯片模拟太空辐射对人类健康的影响

As astronauts venture further into space, their exposure to harmful radiation rises. Researchers from Columbia University are simulating the effects of space radiation here on Earth to determine its impact on human physiology using multi-organ tissue chip

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2024-12-19 15:04:15动物植物
综合分析揭示褐藻隐藏的基因组进化

Covering over 70% of Earth's surface, the oceans are home to countless life forms that maintain ecological balance and support human well-being. Among these, brown algae (Phaeophyceae) play a crucial role in sustaining coastal habitats, supporting marine

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2024-12-19 14:52:13动物植物
新方法同时绘制细胞核中数百种蛋白质的图谱

Caltech researchers have developed a new method to map the positions of hundreds of DNA-associated proteins within cell nuclei all at the same time. The method, called ChIP–DIP (Chromatin ImmunoPrecipitation Done In Parallel), is a versatile tool for unde

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2024-12-19 14:40:35动物植物
研究人员在加勒比海岛屿上发现了35种新的蜥蜴物种

A new scientific study from Temple University's College of Science and Technology (CST) has identified 35 new species of forest lizards, all from islands in the Caribbean. However, that same study has also found that these species of lizards won't be ar

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2024-11-06 18:39:13前沿信息
纳米光学传感器能够对颜色变化的建筑物进行结构安全监测

As buildings age, the demand for effective monitoring of their structural integrity has grown significantly. A breakthrough in nano-optical sensor technology now enables precise, real-time measurement of structural deformation and stability.

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2024-11-06 18:27:47前沿信息
研究人员开发了内置压电的高质量纳米机械谐振器

Researchers at Chalmers University of Technology in Sweden and at the University of Magdeburg in Germany have developed a novel type of nanomechanical resonator that combines two important features: high mechanical quality and piezoelectricity. This devel

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2024-11-06 18:12:41前沿信息
单个原子可以改变扫描隧道显微镜中发射的光的方向分布

Researchers from Madrid explain a phenomenon that allows the direction of light emission to be controlled at the atomic scale. The paper provides a detailed explanation of how the profile of the light collected in a scanning tunneling microscope (STM) exp

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2024-11-06 18:00:45前沿信息
新型火焰气溶胶系统擅长制造纳米粒子

Since prehistoric times, humans have used fire to transform raw materials into valuable goods. Examples include using flames to turn clay into pottery, and silica into glass.

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2024-11-06 17:49:29前沿信息
可持续疏水纤维素显示出替代石油相关产品的潜力

A recent study has aimed to create hydrophobic paper by exploiting the mechanical properties and water resistance of cellulose nanofibers, and so produce a sustainable, high-performance material suitable for packaging and biomedical devices. This involved

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2024-11-05 18:08:43前沿信息
多组学方法揭示了水生生物中的纳米塑料毒性

Plastic pollution has become a growing crisis for aquatic environments, with nanoplastics emerging as particularly hazardous due to their minuscule size and broad dispersal. Unlike larger plastic fragments, nanoplastics infiltrate cellular systems and aff

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