2024-06-06 21:03:53动物植物
研究表明,兰花通过共享的地下真菌网络培育幼苗

The Common Spotted Orchid (Dactylorhiza fuchsii) is found all over the U.K. These orchids produce tiny seeds that can be carried anywhere by the wind, yet they often appear in clumps with small seedlings growing near mature plants. This phenomenon has puz

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2024-06-06 20:51:42动物植物
野生大都市:研究显示洛杉矶出现了意想不到的生物多样性辣椒

UCLA biologists have some good news and some bad news for lovers of urban wildlife in Los Angeles. The good news? Unexpected pockets of biodiversity pepper the city. The bad news? It will be a challenge to elevate the level of overall biodiversity of the

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2024-06-06 20:41:40动物植物
斑马鱼是怎么长出条纹的?研究人员离找到答案又近了一步

Although zebrafish are much smaller and less famous than their terrestrial namesakes, the tiny fish possess a unique ability: They can rapidly change the color of their characteristic stripes from blue to yellow when they're distressed.

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2024-06-06 20:27:34动物植物
新的传感技术可以检测古代作物的耐旱性,可能为新的育种计划提供信息

Drought is the most devastating environmental stress that farmers face worldwide. With the added pressures of climate change, drought years have become less predictable, more frequent and more severe.

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2024-06-06 20:16:25动物植物
研究人员说,“活化石”是独特的,而不是古老的

The new measure, termed "evolutionary heritage," highlights the importance of unique species traits—which include physiological adaptations, like beak variations in different birds—when assessing the richness and complexity of life.

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2024-06-06 20:02:44动物植物
生物学家呼吁保护和更多地研究气候变化的自然时间胶囊

Packrats, also known as woodrats, are the original hoarders, collecting materials from their environment to make their nests, called middens. In deserts throughout western North America, for instance, packrat middens can preserve plants, insects, bones an

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2024-06-06 19:52:22动物植物
干细胞研究揭示了组织修复的新线索,可以帮助治愈子宫等

Stem cells play a vital role in repairing damaged tissue, whether it's a scraped knee or a scarred uterus following pregnancy. New stem cell research has identified the molecules that the cells produce to promote the healing process.

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2024-06-06 19:42:17动物植物
定制海胆:科学家取得转基因突破

Consider the sea urchin. Specifically, the painted urchin: Lytechinus pictus, a prickly Ping-Pong ball from the eastern Pacific Ocean.

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2024-06-06 19:30:56动物植物
致命的寄生虫是如何选择雄性的:研究人员揭示了隐孢子虫整个生命周期的基因表达

The single-cell parasite Cryptosporidium is a leading cause of deadly diarrheal disease in young children, and a recent outbreak in the United Kingdom highlights how vulnerable the water supply is to this pathogen.

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2024-06-06 19:18:05动物植物
古代医学与现代组织再生新方法研究相结合

For centuries, civilizations have used naturally occurring, inorganic materials for their perceived healing properties. Egyptians thought green copper ore helped eye inflammation, the Chinese used cinnabar for heartburn, and Native Americans used clay to

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2024-06-06 19:05:37动物植物
新方法可以显著减少农业温室气体排放

New research by the Norwegian University of Life Sciences (NMBU) and International Institute for Applied Systems Analysis (IIASA) proposes using soil bacteria to cut greenhouse gas emissions from food production. The research is published in the journal N

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2024-06-06 18:53:22动物植物
无人机为暴露在潮汐中的脆弱珊瑚礁提供了新的视角

A new study has used drone technology and cutting-edge analytical methods for the first time to map the intertidal coral reefs of the Rowley Shoals off the Kimberley coast of Western Australia.

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