2025-05-13 19:22:24动物植物
为什么这么多微生物不能在实验室里生长

Microbial ecosystems—for example, in seawater, the soil or in the human gut—are astonishingly diverse, but researchers often struggle to reproduce this diversity in the lab: Many microorganisms die when attempts are made to cultivate them.

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2025-05-13 19:09:38动物植物
高速成像捕捉激素驱动基因激活的机制

Scientists at Nano Life Science Institute (WPI-NanoLSI), Kanazawa University, have captured real-time footage showing how a key hormone receptor activates genes, offering a clearer view of one of the most fundamental processes in biology.

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2025-05-13 18:55:15动物植物
清澈的水域,隐藏的毒素:对抗藻华的病毒实际上可能会增加人类和生态系统的风险

New laboratory research shows that when viruses attack a species that forms toxic algal blooms, those thick, blue-green slicks that choke waterways and that threaten ecosystems, drinking water, and public health, what results might be even worse than befo

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2025-05-13 18:40:55动物植物
基因突变帮助花朵模仿恶臭,吸引喜欢尸体的传粉者

A wild ginger has a clever trick up its sleeve to lure in pollinators. No, it's not a sweet fragrance that fills the air, but the foul stench of rotting flesh and dung. To attract carrion-loving flies and beetles, the flowers of the plant genus Asarum br

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2025-05-13 18:28:31动物植物
从史前居民到离家出走的宠物:美国发现的第一块特古猿化石

Originally from South America, the charismatic tegu made its way to the United States via the pet trade of the 1990s. After wreaking havoc in Florida's ecosystems, the exotic lizard was classified as an invasive species. But a recent discovery from the F

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2025-05-13 18:15:17动物植物
工程化产钠弧菌菌株可促进恶劣环境中复杂污染物的生物修复

A multi-institutional collaboration of synthetic biology research centers in China has developed a genetically engineered strain of Vibrio natriegens capable of bioremediating complex organic pollutants, including biphenyl, phenol, naphthalene, dibenzofur

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2025-05-12 05:19:27动物植物
一般害虫造成的损害更大,专家杀死的树木更多:按树木损害和死亡率对害虫进行分类

A study in the journal Forests highlights the critical need for understanding and managing nonnative forest specialist and generalist pests.

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2025-05-12 05:06:38动物植物
关于旧金山社区花园鸟类的五个见解

A community garden in the heart of a city can be an oasis—an island of greenery where people can escape the sounds of traffic, sink their hands into the earth, and connect with the natural world. These spaces can be especially important in lower-income ne

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2025-05-12 04:55:04动物植物
利用农业和粮食生产的副产品为牲畜创造可持续的饲料

Imagine if agricultural and food byproducts could be transformed into an effective and holistic feed for livestock while also helping to combat climate change. Milad Parchami, Ph.D. in Resource Recovery at the University of Borås in Sweden, explored a pro

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2025-05-12 04:42:33动物植物
金属和激素干扰物质威胁可持续农业和水资源管理

Metals and hormone-disrupting substances such as estrogens present a genuine risk to the sustainability of agriculture and water management in Europe. This is the conclusion of doctoral research conducted by Chinese environmental scientist Yuwei Jia at th

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2025-05-12 04:30:20动物植物
内部时钟决定南极磷虾的起伏

Antarctic krill not only react to external environmental influences such as light or food. They also use their internal clocks to adapt to the extreme conditions of the polar environment.

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2025-05-12 04:19:37动物植物
研究揭示了人体蛋白质制造能力的“供需”制约因素

"Supply and demand" constraints limit the body's ability to produce the various proteins needed for critical life functions, according to a new study.

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