2024-07-11 21:50:47动物植物
研究表明,狼的回归对华盛顿州的鹿种群影响很小

Humans drove wolves to extinction in Washington state around the 1930s. Thanks to conservation efforts, by about 80 years later, wolves had returned—crossing first from the Canadian border into Washington around 2008 and later entering the state from Idah

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2024-07-11 21:36:11动物植物
Tiny TnpB:新一代植物基因组编辑工具亮相

Genome editing stands as one of the most transformative scientific breakthroughs of our time. It allows us to dive into the very code of life and make precise modifications. Imagine being able to rewrite the genetic instructions that determine almost ever

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2024-07-11 21:24:44动物植物
生命的几何形状:物理学家确定控制生物膜生长的因素

From plaque sticking to teeth to scum on a pond, biofilms can be found nearly everywhere. These colonies of bacteria grow on implanted medical devices, our skin, contact lenses, and in our guts and lungs. They can be found in sewers and drainage systems,

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2024-07-11 21:11:37动物植物
科学家绘制了海蠕虫神经回路的综合图

Researchers have created a detailed map of the circuits and more than 9,000 cells that make up the entire body and nervous system of a three-day-old larva of the sea worm Platynereis dumerilii.

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2024-07-11 20:57:42动物植物
没那么简单:苔藓和蕨类植物为作物保护带来了新的希望

Mosses, liverworts, ferns and algae may offer an exciting new research frontier in the global challenge of protecting crops from the threat of disease.

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2024-07-11 20:44:10动物植物
一只有九条命的狮子打破了在捕食者出没的水域游泳时间最长的纪录

A record-breaking swim by two lion brothers across a predator-infested African river has been documented in a study co-led by Griffith University and Northern Arizona University.

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2024-07-11 20:31:56动物植物
一种新的已灭绝鳄鱼近亲改写了三叠纪海岸线的生活

The surprising discovery of a new species of extinct crocodile relative from the Triassic Favret Formation of Nevada, U.S., rewrites the story of life along the coasts during the first act of the Age of Dinosaurs.

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2024-07-11 20:17:46动物植物
打开正确的门:新的工作揭示了“跳跃基因”的控制机制

International joint research led by Akihisa Osakabe and Yoshimasa Takizawa of the University of Tokyo has clarified the molecular mechanisms in thale cresses (Arabidopsis thaliana) by which the DDM1 (Decreased in DNA Methylation 1) protein prevents the tr

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2024-07-11 20:06:28动物植物
研究发现,空气污染对传粉昆虫的危害大于害虫

Bees and other beneficial bugs are disproportionately harmed by air pollution when compared to crop-destroying pests, a new study published in Nature Communications has found.

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2024-07-11 17:25:26前沿信息
基于纳米粒子的递送系统可以为患有罕见胰岛素过敏的糖尿病患者提供治疗

Up to 3% of people with diabetes have an allergic reaction to insulin. A team at Forschungszentrum Jülich has now studied a method that could be used to deliver the active substance into the body in a masked form—in the form of tiny nanoparticles.

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2024-07-11 17:10:50前沿信息
高速电子相机揭示超薄材料中新的“光扭曲”行为

While taking snapshots with the high-speed electron camera at the Department of Energy's SLAC National Acceleratory Laboratory, researchers discovered new behavior in an ultrathin material that offers a promising approach to manipulating light that will

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2024-07-11 16:59:49前沿信息
研究:纳米颗粒疫苗增强对流感病毒的交叉保护

To offer cross-protection against diverse influenza virus variants, nanoparticle vaccines can produce pivotal cellular and mucosal immune responses that enhance vaccine efficacy and broaden protection, according to a study by researchers in the Institute

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