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微生物可以帮助减少对化肥的需求 封面图动物植物

2023-11-20 16:46:56

微生物可以帮助减少对化肥的需求

Production of chemical fertilizers accounts for about 1.5 percent of the world's greenhouse gas emissions. MIT chemists hope to help reduce that carbon footprint by replacing some chemical fertilizer with a more sustainable source -- bacteria.

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大麻大麻素可能是为了阻止害虫而进化的 封面图动物植物

2023-11-20 16:46:55

大麻大麻素可能是为了阻止害虫而进化的

Cannabinoids, naturally occurring compounds found in hemp plants, may have evolved to deter pests from chewing on them, according to Cornell University research that showed higher cannabinoid concentrations in hemp leaves led to proportionately less damag

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细菌如何识别病毒入侵并激活免疫防御 封面图动物植物

2023-11-20 16:46:55

细菌如何识别病毒入侵并激活免疫防御

There's no organism on earth that lives free of threat -- including bacteria. Predatory viruses known as phages are among their most dire foes, infiltrating their cells to replicate and take over. Bacteria have evolved an array of strategies to counter t

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不仅仅是猫叫:细菌如何帮助猫交流 封面图动物植物

2023-11-20 16:46:54

不仅仅是猫叫:细菌如何帮助猫交流

Many mammals, from domestic cats and dogs to giant pandas, use scent to communicate with each other. A new study from the University of California, Davis shows how domestic cats send signals to each other using odors derived from families of bacteria livi

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忘记社交距离:家雀生病时会更善于社交 封面图动物植物

2023-11-20 16:46:54

忘记社交距离:家雀生病时会更善于社交

Social distancing when sick has become second nature to many of us in the past few years, but some sick animals appear to take a different approach. A new study of house finches led by Marissa Langager, a Ph.D. student in the Department of Biological Scie

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扩大规定烧伤范围所需的改革 封面图动物植物

2023-11-20 16:46:53

扩大规定烧伤范围所需的改革

Prescribed fire, which mimics natural fire regimes, can help improve forest health and reduce the likelihood of catastrophic wildfire. But this management tool is underused in the fire-prone U.S. West and Baja California, Mexico, due to several barriers.

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以色列伪蝎子:发现两个新的家族记录 封面图动物植物

2023-11-20 16:46:52

以色列伪蝎子:发现两个新的家族记录

A new study on the pseudoscorpion fauna of Israel has been unveiled in a comprehensive publication titled "Pseudoscorpions of Israel: Annotated Checklist and Key, with New Records of Two Families." The research, conducted by Dr. Sharon Warburg, Dr. Efra

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新研究揭示了未来入侵物种浪潮的巨大潜力 封面图动物植物

2023-11-20 16:46:51

新研究揭示了未来入侵物种浪潮的巨大潜力

"Everything that exists can be introduced somewhere at some point," says Dr Elizabeta Briski. The marine biologist is an expert in invasion ecology at GEOMAR Helmholtz Centre for Ocean Research in Kiel. Along with a large international team of  eco

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