2025-04-20 03:29:41动物植物
基于激光的方法揭示植物气孔压力动态,提供水分效率见解

Every time the temperature drops, a cloud passes overhead, or the sun sets, a plant makes a choice: Keep its microscopic pores, called stomata, open to absorb carbon dioxide and continue photosynthesizing or close them to protect its precious stores of wa

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2025-04-20 03:18:10动物植物
新的建模工具可以帮助保护野生动物免受海上开发的影响

Scientists have developed a new resource to better protect seabirds from the impacts of offshore wind farms. The innovative modeling tool has the potential to save wildlife, while ensuring the effective and sustainable development of renewable energy sour

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2025-04-20 03:07:02动物植物
“她爱我,她不爱我”:科学家提出,物理力量促进了多细胞生命的进化

Humans like to think that being multicellular (and bigger) is a definite advantage, even though 80% of life on Earth consists of single-celled organisms—some thriving in conditions lethal to any beast.

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2025-04-20 02:54:28动物植物
关键酶如何控制潜在的危险基因

You may have heard of the fantastic-sounding "dark side of the genome." This poorly studied fraction of DNA, known as heterochromatin, makes up around half of your genetic material, and scientists are now starting to unravel its role in your cel

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2025-04-20 02:40:25动物植物
偷偷摸摸的黄鼠狼被相机捕捉到,诱饵选择令人惊讶

When monitoring the health of mammal populations, scientists often use camera traps to observe the animals in their habitats. But weasels are so sneaky they're rarely caught on camera—leaving scientists with questions about this population of predators.

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2025-04-20 02:29:44动物植物
研究揭示热带鱼类使用工具

Scientists have debunked the belief that using tools is unique to mammals and birds, after documenting tropical fish that smash shellfish against rocks to open and eat the meat, in a fascinating new study published in the journal Coral Reefs on 26 March 2

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2025-04-20 02:18:13动物植物
科学家揭示八倍体草莓着丝粒的进化动力学

The modern cultivated strawberry (Fragaria x ananassa) originates from interspecific hybridization between two octoploid wild species: F. virginiana and F. chiloensis. However, the differences in centromere characteristics and evolutionary patterns betwee

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2025-04-20 02:06:29动物植物
减少海鲜浪费:丢弃的鱼类部分具有未开发的营养潜力

Up to two-thirds of the fish caught never reach the dinner table. SINTEF researcher Line Skontorp Meidell wants to fix that.

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2025-04-20 01:52:15动物植物
硝酸盐如何克服植物激素抑制以促进种子发芽

Abscisic acid (ABA), a key environmental response hormone, strongly inhibits seed germination and serves as a central regulator in this process. While significant progress has been made in deciphering the molecular mechanisms of ABA-mediated germination s

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2025-04-20 01:40:18动物植物
抑制细菌流动:一种对抗疾病的新方法

Researchers have identified a new way to fight infections like Lyme disease and syphilis by disrupting the bacteria's "motor," preventing it from spreading through the body.

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2025-04-20 01:27:45动物植物
发现延迟开花的化合物可以提高作物产量

In an era where climate change threatens food security, scientists worldwide are searching for reliable ways to improve crop production. Extreme weather and shifting seasonal patterns can disrupt traditional agricultural cycles, making technologies that r

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2025-04-20 01:14:10动物植物
揭示运输蛋白与脑部疾病之间的关系

Most of us rely heavily on shipping services like FedEx or UPS to ensure we receive the correct packages. If that system was disrupted, parcels would end up lost or in the wrong place.

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