2025-02-26 02:52:45动物植物
基因研究表明,伦敦的地下蚊子是从埃及物种进化而来的

A large international team of researchers has discovered that the mosquitoes that live in London's underground subway evolved from a Middle Eastern species over thousands of years. In their paper posted on the bioRxiv preprint server, the group describes

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2025-02-26 02:40:54动物植物
较小的田地和有机作物可以提高草原上传粉昆虫的多样性

Biodiversity is under threat worldwide. While the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services (IPBES) estimated in 2019 that 1 million out of 8 million species are threatened with extinction, more recent studies put th

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2025-02-26 02:26:17动物植物
产氢绿藻的光调控运动模式可以改善光生物反应器的设计

Researchers from the University of Bayreuth and the Max Planck Institute for Dynamics and Self-Organization in Göttingen have investigated the movement patterns of unicellular, hydrogen-producing green algae under different light intensities. Their findin

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2025-02-26 02:11:49动物植物
克服负面情绪:探索日本猕猴的身心联系

Research has shown that human bodily responses and cognitive shifts affect each other in both directions. We feel sorry because we cry, but also cry when feeling sorry. So, what then for our primate cousins? To date, their connections have remained largel

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2025-02-26 01:59:00动物植物
某些种类的须鲸可能会因为歌声太低而无法被听到,从而避免吸引虎鲸

Killer whales are the only natural predator of baleen whales—those that have "baleen" in their mouths to sieve their plankton diet from the water. More solitary than toothed whales, baleen whales face predatory attacks from killer whales, especi

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2025-02-26 01:45:22动物植物
细菌物种研究挑战了结构相似性预测蛋白质行为的假设

A new study published in Biochemistry sheds light on how bacteria regulate their genes, challenging long-held assumptions about protein behavior. The research compares how two bacterial species—Escherichia coli and Mycobacterium tuberculosis—use a signali

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2025-02-26 01:35:03动物植物
计算工具精确高效地绘制细胞分化图

Understanding how cells transform into specialized types during human development is a central challenge in biology. This complex process, known as cell differentiation, holds the key to understanding developmental biology and advancing regenerative medic

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2025-02-26 01:23:03动物植物
基因研究揭示了塑造人类大脑进化的变化

A new Yale study provides a fuller picture of the genetic changes that shaped the evolution of the human brain, and how the process differed from the evolution of chimpanzees.

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2025-02-26 01:08:08动物植物
研究发现,神经细胞通过控制mRNA和蛋白质分布来优化能量

Nerve cells have amazing strategies to save energy and still perform the most important of their tasks. Researchers from the University Hospital Bonn (UKB) and the University of Bonn as well as the University Medical Center Göttingen found that the neuron

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2025-02-26 00:53:54动物植物
科学家首次制作出香蕉蛞蝓的完整基因组

Scientists at UC Santa Cruz have completed the first end-to-end genome of the iconic Pacific banana slug, a species synonymous with California's coastal redwood forests and the university's beloved mascot.

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2025-02-26 00:41:14动物植物
科学家阐明甲藻孢囊休眠背后的分子机制

Dinoflagellates play crucial roles in aquatic ecosystems, particularly as major contributors to harmful algal blooms. They can enter a dormant stage, known as the resting cyst stage, that allows them to survive for extended periods—up to 150 years—in mari

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2025-02-26 00:29:19动物植物
蛇颈龙的软组织显示,它的鳞片与海龟相似

A small team of archaeologists, geologists, paleontologists and climate scientists has found that at least one type of plesiosaur had scales on its flippers similar to modern sea turtle species. For their study, published in the journal Current Biology, t

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