2024-04-09 14:07:24动物植物
Jurassic shuotheriids揭示了哺乳动物最早的牙齿多样化

Paleontologists have presented a new insight into the initial dental variations across mammaliaforms, providing a fresh perspective on the evolutionary past of these ancient beasts.

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2024-04-09 13:55:59动物植物
科学家们一致认为,媒体对黄蜂有偏见

Wasp scientists around the globe agree that media coverage of wasps skews negative and almost entirely overlooks their beneficial attributes, reports a team led by UCL researchers.

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2024-04-09 13:08:01动物植物
轻按开关:用光塑造细胞

Imagine switching on a light and being able to understand and control the inner dynamics of a cell. This is what the Dimova group has achieved: by shining lights of different colors on replicates of cells, they altered the interactions between cellular el

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2024-04-09 12:53:38动物植物
研究人员揭示了最常见的哺乳动物信使核糖核酸修饰背后的机制

RNA—in the form of messenger RNA (mRNA), ribosomal RNA (rRNA), and transfer RNA (tRNA)—transforms the genome coded by DNA into proteins that form the backbone of all cellular functions. However, biochemical modifications to RNA frequently occur, with a su

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2024-04-09 12:43:21动物植物
新研究表明,齿鲸的回声定位器官是由下颌肌肉进化而来的

Dolphins and whales use sound to communicate, navigate and hunt. New research suggests that the collections of fatty tissue that enable toothed whales to do so may have evolved from their skull muscles and bone marrow.

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2024-04-09 12:31:07动物植物
受损溶酶体分解过程中解码的新信号通路

Lysosomes are surrounded by a lipid bilayer that separates the acidic environment and the digestive enzymes of the organelle from the cytoplasm. Damage to this layer—lysosomal membrane permeabilization, or LMP for short—can trigger inflammation and even l

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2024-04-09 12:20:34动物植物
研究表明,增强岩石风化作用可提高作物产量,改善作物健康状况

Enhanced rock weathering—a nature-based carbon dioxide removal process that accelerates natural weathering—results in significantly higher first year crop yields, improved soil pH, and higher nutrient uptake, according to a paper, publ

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2024-04-09 12:09:26动物植物
植物如何调整光合作用以适应不断变化的光线

Photosynthesis is the central process by which plants build up biomass using light, water, and carbon dioxide from the air. Gaining a detailed understanding of this process makes it possible to modify and thus optimize it—for example, with a view to incre

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2024-04-09 11:59:19动物植物
植物和菌根真菌如何合作的内部观察

For millions of years, underground fungi have lived in symbiosis with plant roots. Plants provide photosynthesized carbon, while fungi deliver water and nutrients. In order to do so, these organisms share space at the cellular scale: fungi stretch a netwo

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2024-04-09 11:44:41动物植物
第一个集成数据集使基因能够用于生态系统研究

A team of Department of Energy scientists led by Oak Ridge National Laboratory has released the first-ever dataset bridging molecular information about the poplar tree microbiome to ecosystem-level processes. The project aims to inform research regarding

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2024-04-09 11:30:59动物植物
研究人员使60年前休眠的藻类细胞复活

New research at Åbo Akademi University, Finland, has managed to circumvent previous challenges in finding out how microalgae adapt to global warming by studying up to 60-year-old microalgae cells from the Archipelago Sea. Some microalgae form resting cell

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2024-04-09 11:20:29动物植物
蚊子幼虫的内脏如何帮助产生高度特异性的杀虫剂

Did you know that the world's deadliest animal is the mosquito? And Aedes aegypti is one of the most dangerous. This bug spreads viruses that cause dengue fever, which was recently declared as an epidemic in Puerto Rico.

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