2024-12-19 16:14:39动物植物
座头鲸幼崽的录音揭示了它们向母亲发出的声音

A team of marine biologists, zoologists, and cetologists from Université Paris-Saclay, Université d'Antananarivo and Ambodiforaha Sainte Marie has learned more about the ways baby humpback whales and their mothers communicate.

阅读全文
2024-12-19 16:03:43动物植物
第一项全球研究提供了对地球地下微生物组的见解

Which microbes thrive below us in darkness—in gold mines, in aquifers, in deep boreholes in the seafloor—and how do they compare to the microbiomes that envelop the Earth's surfaces, on land and sea?

阅读全文
2024-12-19 15:49:21动物植物
保护秘鲁的高海拔草原是保护安第斯熊的关键

Andean bears carefully select the best foraging locations and plants to maximize nutrition and avoid livestock, according to a study published December 18, 2024, in PLOS ONE by Nicholas Pilfold at the San Diego Zoo Wildlife Alliance in California, U.S., a

阅读全文
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

阅读全文
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

阅读全文
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

阅读全文
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

阅读全文
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

阅读全文
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

阅读全文
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.

阅读全文
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

阅读全文
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

阅读全文
 12650   首页 上一页 617 618 619 620 621 622 623 624 625 626 下一页 尾页