2025-02-25 18:08:54动物植物
抗生素耐药性可以不可预测地传播到环境中,生活在矿物表面

Imagine one of Denmark's many picturesque beaches, the waves lapping against the shore, the golden sand and the smooth pebbles. That sounds like a beautiful moment in time. But under the surface, there is more to the story.

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2025-02-25 17:55:44动物植物
免耕农业被证明可以提高沙质农业生态系统的土壤碳含量

A new study published in Ecological Processes by researchers at the Institute of Applied Ecology of the Chinese Academy of Sciences reveals that no-tillage (NT) farming could play a pivotal role in combating soil degradation and enhancing carbon sequestra

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2025-02-25 17:41:18动物植物
鼻子最好:边境牧羊犬在嗅觉任务研究中表现优于狩猎品种

A new comprehensive study by Hungarian ethologists provides valuable insights into the factors that affect the olfactory performance of dogs. Border collies, a herding breed, reached higher success levels than some hunting breeds, like golden retrievers,

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2025-02-25 17:28:11动物植物
基于人工智能的分析揭示了海洋食草动物对鳗草病传播的影响

Eelgrass, a type of flowering seagrass found in temperate zones around the world, provides habitat for many species, protects coastlines, improves water quality, sequesters carbon and supports fishing economies. The foundation of a highly productive marin

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2025-02-25 17:13:14动物植物
发现抗癌症转移的活性剂:Adhibin防止迁移和附着到其他细胞

Every cell in the body normally has its fixed place as part of a tissue structure. Except for a few cell types, such as blood or immune cells. But cancer cells also cross established boundaries, grow into the surrounding tissue and multiply. And they can

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2025-02-25 16:59:47动物植物
来自南极洲的白垩纪化石揭示了最早的现代鸟类

Sixty-six million years ago, at the end of the Cretaceous Period, an asteroid impact near the Yucatán Peninsula of Mexico triggered the extinction of all known non-bird dinosaurs. But for the early ancestors of today's waterfowl, surviving that mass exti

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2025-02-25 16:49:15动物植物
宠物跳蚤治疗可能会伤害野生动物,但主人可以提供帮助

Toxic substances used in flea and tick treatments pet owners give to their dogs and cats have been detected in birds' nests, according to new UK research published in Science of The Total Environment.

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2025-02-25 16:38:10动物植物
雄蝇通过提高视力来揭穿雌蝇的虚张声势:研究表明进化正在进行中

With bloated bellies and hairy legs, female flies try to look bigger to get food from courting mates. But male flies, in turn, have sharpened their eyesight to call their bluff. A new study by researchers from the Universities of Gothenburg and Stockholm

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2025-02-25 16:23:59动物植物
基于网络的应用程序可以识别世界各地和农场周围的昆虫

A farmer notices an unfamiliar insect on a leaf. Is this a pollinator? Or a pest? Good news at harvest time? Or bad? Need to be controlled? Or not?

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2025-02-25 16:11:50动物植物
分子开关在转变的关键时刻逆转癌变

Professor Kwang-Hyun Cho's research team of the Department of Bio and Brain Engineering at KAIST has captured the critical transition phenomenon at the moment when normal cells change into cancer cells and analyzed it to discover a molecular switch hidde

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2025-02-25 16:01:49动物植物
巨型噬菌体喜欢杀死细菌——它们能被用作抗生素吗?

Phages are viruses that attack bacteria by injecting their DNA, then usurping bacterial machinery to reproduce. Eventually, they make so many copies of themselves that the bacteria burst. By looking at this process in a unique type of virus called a jumbo

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2025-02-25 15:47:46动物植物
罕见的翼龙化石揭示了7600万年前鳄鱼的咬伤

The fossilized neck bone of a flying reptile unearthed in Canada shows tell-tale signs of being bitten by a crocodile-like creature 76 million years ago, according to a study published 23 January in the Journal of Paleontology.

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