2024-08-28 05:57:48动物植物
博物馆藏品表明,1500万年前中欧是全球生物多样性热点

The collections of natural history museums are unique archives of evolution. They allow us to look far into the geological past. Shells of marine snails are particularly common fossils and are well suited to reconstructing climate history and former marin

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2024-08-28 05:46:57动物植物
该团队开发了一种技术,可以更快、更经济地检测土壤中的营养物质

Every year, Missouri farmers lose millions of dollars in valuable nutrients that wash away into rivers and lakes. These nutrients—nitrates and phosphates found in fertilizers—are crucial for plant growth, but they wreak havoc on aquatic life when they end

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2024-08-28 05:32:51动物植物
纳米成像有助于了解古代骨骼中的蛋白质和组织保存

A pilot study from North Carolina State University shows that nanoscopic 3D imaging of ancient bone not only provides further insight into the changes soft tissues undergo during fossilization, it also has potential as a fast, practical way to determine w

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2024-08-28 05:19:37动物植物
研究人员表示,章鱼和鱿鱼色素在不损害环境的情况下增强防晒效果

When Northeastern graduate Camille Martin and associate professor Leila Deravi co-founded Seaspire, a skincare ingredients company inspired by pigment in octopus and squid, their goal was to create a product that is good for your skin and the environment.

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2024-08-28 05:06:41动物植物
Piezo1新信号机制的发现可能有助于寻找更好的疼痛和瘙痒治疗方法

The human body's sense of touch is so important it can be found throughout the body, not just on the skin. Two tiny sensors of touch, Piezo1 and Piezo2, signal the lightest pressures and can be found monitoring the circulatory system, telling the body wh

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2024-08-28 04:53:53动物植物
纤毛真核生物研究为微管蛋白染色提供了简单、通用的方法

Ciliates, a group of single-celled ciliated eukaryotes, have been studied since the dawn of light microscopy, with over 10,000 species described. Cilia are the key feature of ciliates and contribute to their diversity. They vary in length, covering the ce

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2024-08-28 04:40:28动物植物
一种快速测定病毒感染性的新方法

A new method that can rapidly determine whether a virus is infectious or non-infectious could revolutionize the response to future pandemics.

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2024-08-28 04:27:17动物植物
智能指导RNA:研究人员使用基于逻辑门的决策来构建控制基因的电路

Researchers have transformed guide RNAs, which direct enzymes, into a smart RNA capable of controlling networks in response to various signals. A research team consisting of Professor Jongmin Kim and Ph.D. candidates Hansol Kang and Dongwon Park from the

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2024-08-28 04:17:04动物植物
研究发现,由于气温上升,热敏树木会向上移动

Trees in the Brazilian Atlantic Forest are migrating in search of more favorable temperatures, with species in mountain forests moving uphill to escape rising heat caused by climate change, a new study reveals.

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2024-08-28 04:06:09动物植物
研究发现,果蝇交配后的行为由雄性肽通过指令神经元控制

Scientists have succeeded in pinpointing the neurons within a female fruit fly's brain that respond to signals from the male during mating.

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2024-08-28 03:55:20动物植物
研究人员使用先进的X射线成像技术探索单个细胞

Every plant, animal, and person is a rich microcosm of tiny, specialized cells. These cells are worlds unto themselves, each with their own unique parts and processes that elude the naked eye.

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2024-08-28 03:44:33动物植物
用于计算早期海洋旅行中疾病传播速度的数学模型

Two scientists at the University of California, Los Angeles, have developed a way to calculate the approximate speed of disease spread between distant places via ocean travel hundreds of years ago.

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