2025-01-20 18:51:51动物植物
在未加热的温室式高隧道系统中调查土壤、养分对有机绿叶蔬菜的影响

A recent study by scientists at the University of Florida sheds light on how soil and nutrient management practices significantly influence the productivity and quality of leafy green crops grown in high tunnel organic systems. The research provides valua

阅读全文
2025-01-20 18:38:16动物植物
外源DNA“潜入”细菌防御系统,助长抗生素耐药性

A new study by Tel Aviv University reveals how bacterial defense mechanisms can be neutralized, enabling the efficient transfer of genetic material between bacteria. The researchers believe this discovery could pave the way for developing tools to address

阅读全文
2025-01-20 18:27:57动物植物
在印度洋-太平洋中部河口发现了一条引人注目的新海鳗,以冥界之神命名

The Hades' snake moray (Uropterygius hades), a dark brown, slender snake moray eel, has chosen the road less traveled, thriving in dim and muddy river mouths, unlike most of its marine moray eel relatives. It is widely distributed across the Central Indo

阅读全文
2025-01-20 18:17:43动物植物
新恐龙Archaeocusor asiaticus暗示了冈瓦纳早期向劳拉西亚的迁徙

A newly identified dinosaur from southwestern China is revealing what appears to be the earliest-diverging ornithischian dinosaur in Asia. A multi-institution investigation in China has introduced the world to Archaeocursor asiaticus, and the research sug

阅读全文
2025-01-20 18:05:24动物植物
微塑料破坏陆地生态系统,影响植物和食物网

Micro/nanoplastics (MNPs), plastic particles and fibers with sizes ranging from nanometers (≥ 1 nm) to micrometers (≤ 5 mm) have become emerging environmental pollutants and are widely distributed across various ecosystems worldwide. These tiny plastic pa

阅读全文
2025-01-20 17:55:15动物植物
介绍HORNET,一种将序列和3D拓扑结构相关联的新型RNA结构可视化方法

National Cancer Institute researchers have developed a method called HORNET for characterizing 3D topological structures of large and flexible RNA molecules. Scientists used atomic force microscopy (AFM) with deep neural networks and unsupervised machine

阅读全文
2025-01-20 17:45:14动物植物
研究人员开发了“家谱”系统来自动检测传染病的新变种

Researchers have come up with a new way to identify more infectious variants of viruses or bacteria that start spreading in humans—including those causing flu, COVID, whooping cough and tuberculosis.

阅读全文
2025-01-20 17:41:58前沿信息
光驱动方法创造了分子匹配,否则是不可能的

Exploiting an ingenious combination of photochemical (i.e., light-induced) reactions and self-assembly processes, a team led by Prof. Alberto Credi of the University of Bologna has succeeded in inserting a filiform molecule into the cavity of a ring-shape

阅读全文
2025-01-20 17:32:58动物植物
揭示着丝粒快速进化的关键机制

A joint research group team led by Sayuri Tsukahara and Tetsuji Kakutani of the University of Tokyo has clarified a mechanism of how retrotransposons, genetic elements that can "jump around" chromosomes and are known drivers of evolution, prefer

阅读全文
2025-01-20 17:26:13前沿信息
工程师开发出第一款用于无掩模光刻的深紫外microLED显示芯片

In a breakthrough set to revolutionize the semiconductor industry, the School of Engineering of the Hong Kong University of Science and Technology (HKUST) has developed the world's first-of-its-kind deep-ultraviolet (UVC) microLED display array for litho

阅读全文
2025-01-20 17:09:40前沿信息
具有“扭曲”的二维材料显示出意想不到的电子行为,这与理论预测相悖

In the search for new materials that can enable more efficient electronics, scientists are exploring so-called 2D materials. These are sheets of just one atom thick, that may have all kinds of interesting electronic properties. If two sheets are placed on

阅读全文
2025-01-20 16:55:40前沿信息
新型“全光”纳米级传感器,可进入以前无法到达的环境

Mechanical force is an essential feature for many physical and biological processes. Remote measurement of mechanical signals with high sensitivity and spatial resolution is needed for a wide range of applications, from robotics to cellular biophysics and

阅读全文
 12650   首页 上一页 601 602 603 604 605 606 607 608 609 610 下一页 尾页