2025-04-19 13:32:45动物植物
被忽视的多样性:新的研究表明植物、真菌甚至病毒都使用毒液

A new study reveals plants, fungi, bacteria, protists, and even some viruses deploy venom-like mechanisms, similar to that of venomous snakes, scorpions and spiders, according to researchers at Loma Linda University School of Medicine.

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2025-04-19 13:20:07动物植物
植物用数百万张小嘴“呼吸”——激光照亮气孔行为的进化

Plant behavior may seem rather boring compared with the frenetic excesses of animals. Yet the lives of our vegetable friends, who tirelessly feed the entire biosphere (including us), are full of exciting action. It just requires a little more effort to ap

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2025-04-19 13:09:35动物植物
不用强制喂食制作鹅肝

Foie gras is a unique delicacy made from the liver of a duck or goose. While it can be an acquired taste, the buttery, fatty dish is an indulgent cuisine prized in many parts of the world.

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2025-04-19 12:56:57动物植物
研究人员发现,C.diff使用有毒化合物来促进生长优势

The pathogen C. diff—the most common cause of health care-associated infectious diarrhea—can use a compound that kills the human gut's resident microbes to survive and grow, giving it a competitive advantage in the infected gut.

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2025-04-19 12:44:11动物植物
研究发现,大白鲨消失后,生态系统遭到破坏

Known for their powerful ability to launch out of the water in pursuit of prey, the loss of great white sharks from False Bay in South Africa has scientists and conservationists concerned about the rippling effects on the ecosystem.

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2025-04-19 12:29:20动物植物
科学家揭开青蛙对抗超级细菌的抗菌秘密

Frogs have thrived for hundreds of millions of years, spreading across virtually every corner of Earth, from tropical jungles to subarctic forests. Throughout their evolution, they have developed remarkable defenses—including previously unreported antibio

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2025-04-19 12:17:37动物植物
日本科学家率先在灵长类动物中进行非病毒基因递送

Genetic engineering in non-human primates has long been limited by the need for virus-based gene delivery methods. Recently, researchers in Japan successfully used a nonviral system to introduce a transgene—that is, a gene that has been artificially inser

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2025-04-19 12:03:51动物植物
新的喷雾技术帮助农药附着在植物叶子上,以减少污染径流

Reducing the amount of agricultural sprays used by farmers—including fertilizers, pesticides, and herbicides—could cut down the amount of polluting runoff that ends up in the environment while at the same time reducing farmers' costs and perhaps even enh

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2025-04-19 11:51:47动物植物
多巴胺的一个打击告诉小鸟什么时候它们的唱歌练习得到了回报

In his home office in Durham, Duke neuroscientist Richard Mooney shows a series of images of a bird's brain on song. In one, what looks like a pointillist painting illustrates a young zebra finch's myriad attempts to sound more like an adult, capable of

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2025-04-19 11:38:22动物植物
诊断技术在三小时内实现了近100%的病原体识别准确率

A joint team of professors—Hajun Kim, Taejoon Kwon, and Joo Hun Kang—from the Department of Biomedical Engineering at UNIST has unveiled a novel diagnostic technique that utilizes artificially designed polymers known as peptide nucleic acid (PNA) as probe

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2025-04-19 11:25:01动物植物
坏死细胞如何促进身体的再生过程

Researchers have shed new light on how tissues in the body are repaired following the damage and premature death of tissue cells.

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2025-04-19 11:12:48动物植物
新发现的化石遗址的放射性同位素年龄为哺乳动物的进化提供了线索

Anatolia, the western part of modern-day Turkey that sits at the crossroads of Asia, Africa, and Europe, is a fossil-rich land crucial to unlocking the mysteries surrounding the evolution of mammals over the last 10 million years. Despite the abundance of

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