2025-04-20 06:26:28动物植物
生物力学上的“尺寸匹配”解释了大黄蜂授粉的大象鼻花的花隔离

Buzz pollination—a process in which bees extract pollen by vibrating flowers—occurs in more than 20,000 plant species. Among the most specialized examples are the wildflowers of the Pedicularis genus (Orobanchaceae), whose curved "elephant-nose"

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2025-04-20 06:15:06动物植物
一种微妙的平衡行为决定了细胞中形成多少基因组网关

The nuclei in our cells are miniature warehouses safeguarding the genetic blueprint for the body's biologic machinery. As warehouses go, nuclei are more like libraries than bank vaults. Too many cellular components need access to the genome to lock it do

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2025-04-20 06:01:59动物植物
Plesiosaur的发现揭示了早侏罗世的进化和可能的地方性

A newly described plesiosaur fossil from southern Germany is providing crucial evidence about the diversification of these ancient marine reptiles during the Early Jurassic.

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2025-04-20 05:50:40动物植物
城市树木对高温的反应与森林不同,可能掩盖了气候影响

It's tricky to predict precisely what the impacts of climate change will be, given the many variables involved. To predict the impacts of a warmer world on plant life, some researchers look at urban "heat islands," where, because of the effects

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2025-04-20 05:38:33动物植物
科学家发现小麦串联激酶的新免疫机制

Researchers have unveiled a novel immune mechanism by which tandem kinases combat pathogen invasion: an atypical NLR protein, WTN1 (Wheat Tandem NBD 1), partners with the tandem kinase WTK3 to detect pathogen effectors and initiate immune responses, there

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2025-04-20 05:24:44动物植物
海龟生殖系统中发现的微塑料

University of Manchester scientists have discovered significant concentrations of microplastics in the male reproductive system of sea turtles.

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2025-04-20 05:10:04动物植物
新的人工智能模型增强了医学研究的蛋白质数据分析

Researchers have developed new AI models that can vastly improve accuracy and discovery within protein science. The models could assist the medical sciences in overcoming present challenges within personalized medicine, drug discovery, and diagnostics.

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2025-04-20 04:55:34动物植物
睡眠不足的欧洲寒鸦为了深度睡眠而保持警惕

As most people who have pulled an all-nighter will agree, lost sleep can leave us feeling foggy and far from our best. In some ways, birds respond similarly, often sleeping longer and more deeply after sleep loss. But unlike humans, birds can sleep with o

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2025-04-20 04:43:37动物植物
蝙蝠的回声定位策略:密集的群体如何避免空中碰撞

Aya Goldshtein, Omer Mazar, and Yossi Yovel have spent many evenings standing outside bat caves. Even so, seeing thousands of bats erupting out of a cave and flapping into the night, sometimes in densities so high that they appear liquid, astounds the sci

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2025-04-20 04:32:03动物植物
人工智能增强的3D打印以红外精度烹饪食物

Researchers at the Hong Kong University of Science and Technology (HKUST) have developed a cutting-edge AI-assisted 3D food printing solution that combines printing with infrared cooking, paving the way for safer, more efficient, and visually appealing fo

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2025-04-20 04:20:03动物植物
双蛋白标记过程可能为免疫系统疾病带来新的治疗方法

A study by Oregon Health & Science University researchers has uncovered a new way proteins can be changed inside cells. This discovery could be important for understanding how the immune system works.

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2025-04-20 04:07:06动物植物
山顶上有许多不同种类的蝴蝶,但气候变化可能会把栖息地变成陷阱

A Yale-led study warns that global climate change may have a devastating effect on butterflies, turning their species-rich, mountain habitats from refuges into traps.

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