2023-11-20 16:11:12动物植物
利用胚胎干细胞系首次活产嵌合猴

A team of researchers in China has reported for the first time the live birth of a monkey that contains a high proportion of cells derived from a monkey stem cell line. This "chimeric" monkey is composed of cells that originate from two genetically dist

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2023-11-20 16:11:11动物植物
毒镖蛙:个性决定繁殖策略

Unlike their relatives, individuals of the poison frog Allobates femoralis are not poisonous but are captivating due to their different behavioral profiles: They successfully reproduce with different strategies depending on whether they are bold,

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2023-11-20 16:10:59医药卫生
有助于战胜阿尔茨海默氏症并延长生产寿命的蛋白质

阿尔茨海默病是最常见的痴呆症,是一种记忆力和其他思维能力逐渐恶化的疾病。在过去几十年中,它在主要死因中排名上升。它还可能限制工作生涯的持续时间,给退休的财务规划带来不确定性,并剥夺患者在最后几年的享受和幸福。针对这种疾病的有效治疗可以让患者决定何时退休,并提高老年生活质量。

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2023-11-20 16:10:54动物植物
海洋刚毛虫如何利用一种特殊的蛋白质来区分阳光和月光

In a recent publication in Nature Communications, a joint research team of Johannes Gutenberg University Mainz (JGU), the University of Cologne, and the University of Oldenburg has presented their findings on the functioning of an atypical crypto

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2023-11-20 16:10:53动物植物
绿藻如何计数细胞分裂的新发现阐明了多细胞生命进化所需的关键步骤

An international research team led by James Umen, PhD, member, Donald Danforth Plant Science Center has made an unexpected discovery of a biased counting mechanism used by the single-celled green alga Chlamydomonas to control cell division. Chlamydomonas

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2023-11-20 16:10:51动物植物
欧洲发现神秘新蛾种

European Lepidoptera (butterflies and moths), with a currently known inventory of approximately 11, 000 species, are generally considered well-researched. However, a new genus and species from the Geometrid moth family described in the scientific journal

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2023-11-20 16:10:51动物植物
两种蛋白质的故事:基础研究可以像钟表一样种植更好的作物

Have you ever taken something apart, like a watch, to see how it works by looking at the parts inside individually?

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2023-11-20 16:10:46动物植物
鹅群死亡后“保持冷静,继续前行”

Canada geese strengthen existing friendships and forge a few new connections after losing close associates from their flock, new research shows.

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2023-11-20 16:10:45动物植物
危险的蜜蜂病毒在至少一个美国森林中的致命性较低

Penn State researchers have found that the deadly deformed wing virus (DMV) in bees may have evolved to be less deadly in at least one U.S. forest. The findings could have implications for preventing or treating the virus in managed colonies, researchers

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2023-11-20 16:10:44动物植物
新的深度学习人工智能工具帮助生态学家通过歌声监测珍禽

Researchers have developed a new deep learning AI tool that generates life-like birdsongs to train bird identification tools, helping ecologists to monitor rare species in the wild. The findings are presented in the British Ecological Society journal, 阅读全文

2023-11-20 16:10:40动物植物
研究人员发现了促进收容所狗收养的方法

After a long day at work, you open the door to the place you call home. A chorus of furry happiness rushes toward you, the sound of unconditional canine love. With your return, your dog's world is whole.

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2023-11-20 16:10:39动物植物
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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