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

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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

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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

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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

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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

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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

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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.

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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

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2025-01-15 16:54:01动物植物
对黑猩猩敲碎坚果的研究表明,有些黑猩猩比其他黑猩猩更擅长敲碎坚果

A team of anthropologists at the University of Oxford's School of Anthropology and Museum Ethnography, working with a colleague from Chubu Gakuin University, in Japan, has found that some chimpanzees are better at cracking nuts than others in their same

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2025-01-14 22:22:15动物植物
大脑衰老的关键因素:新的研究在细胞水平上确定了与年龄相关的损伤

Scientists at the Allen Institute have identified specific cell types in the brain of mice that undergo major changes as they age, along with a specific hot spot where many of those changes occur. The discoveries, published in the journal Nature, could pa

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2025-01-14 22:10:14动物植物
研究追踪埃博拉病毒进入皮肤表面的途径

Ebola is a deadly hemorrhagic disease caused by a virus that is endemic in parts of East-Central and West Africa. Most people are aware that a primary route for person-to-person transmission is through contact with bodily fluids from an infected person. B

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2025-01-14 21:55:32动物植物
支持四种长颈鹿物种分类的形态学证据

The University of Cape Town, along with the Giraffe Conservation Foundation, have conducted a large-scale study identifying significant cranial shape differences between four genetically distinct giraffe species. The findings suggest that these species ex

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