2025-04-21 19:31:56动物植物
加利福尼亚州海拔最高的树的新纪录:在High Sierra发现的Jeffrey松

UC Davis Professor Hugh Safford was hiking for pleasure in California's High Sierra when he stumbled upon a new elevation record for the Jeffrey pine, which may now be the state's highest-altitude tree. His serendipitous finding is published in the jour

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2025-04-21 19:19:39动物植物
“时间机器”酶可以改善基于mRNA的疗法

Researchers from the International Institute of Molecular and Cell Biology in Warsaw (IIMCB) have described a new mechanism that improves the efficiency of mRNA-based therapies. The research findings could facilitate the development of novel therapeutics

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2025-04-21 19:09:12动物植物
蛋白质伙伴关系调节端粒酶以保护染色体

A new study from Weill Cornell Medicine provides insights into how cells maintain the tiny end caps of chromosomes as they divide, a key process in keeping cells healthy. Using yeast, the researchers reveal protein interactions that could explain how the

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2025-04-21 18:57:03动物植物
麦芽糖阴性酵母可以释放新的风味,加快非酒精啤酒的酿造速度

Small organisms can have a big impact, and researchers have explored nearly a dozen nontraditional yeast strains to determine which ones could brew the best nonalcoholic beers for a rapidly growing market.

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2025-04-21 18:43:29动物植物
微生物学家在人体肠道中发现了新的产甲烷古菌物种

An international team of microbiologists from the Medical University of Graz, the DSMZ—German Collection of Microorganisms and Cell Cultures (Braunschweig, Germany)—and the University of Illinois (U.S.) has identified and described a previously unknown sp

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2025-04-21 18:32:25动物植物
奇怪的隔离:新发现的蝴蝶物种

In the heart of Canada's Rocky Mountains, an unassuming yet remarkable butterfly has been quietly flying under our scientific radar for years. With a wingspan of an inch to an inch and a half, and wings that are brown on top and grayish brown with black

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2025-04-21 18:17:28动物植物
美国污染最严重的水道之一出现了极端的微生物适应

The industrially ravaged Gowanus Canal, long regarded as a symbol of urban environmental neglect, is being reimagined through the lens of scientific inquiry as a complex reservoir of microbial life shaped by intense selective pressures.

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2025-04-21 18:07:14动物植物
26亿年前的进化算法相变可能引发了真核细胞的出现

An international collaboration between four scientists from Mainz, Valencia, Madrid, and Zurich has published new research in the Proceedings of the National Academy of Sciences, shedding light on the most significant increase in complexity in the history

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2025-04-21 17:56:21动物植物
印度大象预警系统解决致命冲突

In central India's dry forests, community trackers hunt for signs of elephants to feed into an alert system that is helping prevent some of the hundreds of fatal tramplings each year.

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2025-04-21 17:42:30动物植物
创新的计算工具使用长读测序来追踪抗生素耐药基因

A research team led by Professor Tong Zhang from the Department of Civil Engineering of Faculty of Engineering at the University of Hong Kong (HKU) has developed a computational tool, Argo, designed to accurately track antibiotic resistance genes (ARGs) i

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2025-04-21 17:28:30动物植物
机器人驱动的生物基础加速了工厂工程,以提高石油产量

As the global population grows, the demand for food and energy is increasing even as extreme weather events make crops more vulnerable to stress. While traditional breeding takes years to develop more resilient crops, plant bioengineering offers a faster,

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2025-04-21 17:15:43动物植物
无肌球蛋白的细胞运动:新的运动机制挑战教条

Physicists from the Universities of Bayreuth and Grenoble have discovered a new mechanism of cell mobility. Their findings challenge the classical dogma that the molecular motor myosin is essential for the movement of mammalian cells.

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