2025-03-15 19:10:39动物植物
在香草之乡的中心地带,气候变化前线的农民正在努力适应

As erratic weather upends the seasonal rhythms that crops depend on, farmers in the island nation of Madagascar are feeling the effects but struggle to adapt to the new normal.

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2025-03-15 18:58:03动物植物
生物学家发现,植物中激素分布不均调节细胞分裂和生长

New research from an international team of plant biologists, led by researchers at the VIB-UGent Center for Plant Systems Biology, has revealed crucial insights into the role brassinosteroids—essential plant hormones—play in regulating cell division and g

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2025-03-15 18:43:23动物植物
藻类和植物中发现的6亿年的共同环境压力反应

Without plants on land, humans could not live on Earth. From mosses to ferns to grasses to trees, plants are our food, fodder and timber. All this diversity emerged from an algal ancestor that conquered land long ago. The success of land plants is surpris

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2025-03-15 18:30:04动物植物
7500年前人类驯化鳄梨的化石证据

A team of anthropologists and evolutionary biologists affiliated with several academic institutions in the U.S., working with a colleague from the Smithsonian Institution, has found evidence of humans domesticating avocados as far back as 7,500 years ago

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2025-03-15 18:18:35动物植物
新型高保真计算显微镜使用稳定的特征实现更JianCe的成像

Computational microscopy is vital in biomedicine and materials science. Traditional methods struggle with optical aberrations, noise interference, and differences between physical models and real-world imaging, reducing the resolution and accuracy. They r

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2025-03-15 18:04:03动物植物
马里亚纳海沟探险队发现深海环境中蓬勃发展的新生命形式

Shanghai Jiao Tong University along with multiple collaborating institutions including the University of Copenhagen and Lawrence Berkeley National Laboratory, have conducted an extensive investigation into microbial ecosystems in the deep ocean hadal zone

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2025-03-15 17:49:19动物植物
探索格陵兰鲨鱼长寿的秘密

Greenland sharks are thought to have lifespans that can reach 400 years. University of Tokyo-led researchers have now sequenced the first chromosome-level genome of the Greenland shark (Somniosus microcephalus), revealing genetic adaptations linked to its

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2025-03-15 17:37:21动物植物
BREX系统独特的DNA识别机制增强细菌抗病毒防御

Bacteriophages, the most abundant life form on Earth, infect bacterial cells and influence the structure of the microbial community. To fend off phage attacks, bacteria have evolved their own defense tools, including the most common restriction-modificati

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2025-03-15 17:24:26动物植物
首次全国性分析发现,美国的蝴蝶正以“灾难性”的速度消失

America's butterflies are disappearing because of insecticides, climate change and habitat loss, with the number of the winged beauties down 22% since 2000, a new study finds.

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2025-03-15 17:10:40动物植物
一种更长、更时尚的超级捕食者:研究更准确地描绘了巨齿鲨的真实形态

The megalodon has long been imagined as an enormous great white shark, but new research suggests that perception is all wrong. The study finds the prehistoric hunter had a much longer body—closer in shape to a lemon shark or even a large whale.

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2025-03-15 16:57:26动物植物
Megalodon的体型和形态揭示了为什么某些水生脊椎动物会出现巨人症

A new study provides many new insights into the biology of the prehistoric gigantic shark megalodon (megatooth shark), which lived nearly worldwide 15–3.6 million years ago. Paleobiology professor Kenshu Shimada of DePaul University led the study along wi

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2025-03-15 16:47:01动物植物
评估商业对生物多样性影响的方法很强大,但往往不足以进行战略设计:研究

A University of Oxford study has determined that the widely used tools available to businesses for assessing their biodiversity impacts depend on broad assumptions and can have large uncertainties that are poorly understood or communicated. If used approp

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