2025-04-20 19:39:55动物植物
超级计算机模拟微管动力学,为神经退行性疾病提供新的见解

Each day, a human adult loses on average 50 to 70 billion cells, which die from natural causes alone. New cells replace lost ones by the complex process of cell division, which relies on what scientists call molecular machines to transport chemical cargo

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2025-04-20 19:26:19动物植物
胆小的修补匠:研究发现,害羞的老鼠更善于解决问题

Why do some animals solve problems while others don't? The new study from the Max Planck Institute for Evolutionary Biology, now featured on the cover of Oikos, tackles this question with an unexpected star: the wild house mouse. This research dives into

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2025-04-20 19:11:58动物植物
mRNA疫苗的细胞调节因子被揭示,提供了新的治疗选择

A team of researchers led by Dr. Kim V. Narry, director of the Center for RNA Research at the Institute for Basic Science (IBS), has uncovered a key cellular mechanism that affects the function of mRNA vaccines and therapeutics.

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2025-04-20 18:57:40动物植物
外观奇特的恐龙挑战了我们对手指进化的认识

Oviraptorosaurs are weird dinosaurs that look a bit like flightless birds. But these ancient animals aren't just funny-looking fossils. As my team's new research published in Royal Society Open Science shows, they can help us understand how our own fore

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2025-04-20 18:46:09动物植物
干细胞条形码揭示了大脑和内耳是如何形成的

Researchers at Karolinska Institutet have developed a method that shows how the nervous system and sensory organs are formed in an embryo. By labeling stem cells with a genetic "barcode," they have been able to follow the cells' developmental j

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2025-04-20 18:31:41动物植物
有些昆虫正在减少,但其他99%的昆虫呢?

Insects are the dominant form of animal life on our planet, providing humans and wildlife with pollination, food, and recycling services but, despite concerns about population declines, little is known about how 99% of species globally are faring.

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2025-04-20 18:21:35动物植物
荧光生物传感器实时追踪植物RNA,以改善作物和生物安全

Scientists at Oak Ridge National Laboratory have developed the first-ever method of detecting ribonucleic acid, or RNA, inside plant cells using a technique that results in a visible fluorescent signal. The technology can help researchers detect and track

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2025-04-20 18:11:09动物植物
研究表明,随着时间的推移,关键细菌物种的抗生素耐药性趋于平稳

Antibiotic resistance tends to stabilize over time, according to a study published in the open-access journal PLOS Pathogens by Sonja Lehtinen from the University of Lausanne, Switzerland, and colleagues.

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2025-04-20 17:59:28动物植物
面对生物多样性下降,动物行为多样性面临风险

Our environment is changing rapidly, largely as a result of human activities, leading to a significant decline in biodiversity. According to researchers from the University of Victoria and the Max Planck Institute for Evolutionary Anthropology, this decli

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2025-04-20 17:48:52动物植物
分子钟分析表明,细菌在广泛的光合作用之前很久就使用了氧气

Microbial organisms dominate life on Earth, but tracing their early history and evolution is difficult because they rarely fossilize. Determining when exactly a particular group of microbes first appeared is especially hard. However, ancient sediments and

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2025-04-20 17:34:40动物植物
研究发现,倭黑猩猩以与人类语言相似的方式组合叫声

Bonobos—our closest living relatives—create complex and meaningful combinations of calls resembling the word combinations of humans.

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2025-04-20 17:24:07动物植物
萤火虫光产生了检测细胞变化的传感器

The gene encoding an enzyme from a firefly, discovered at the Sorocaba campus of the Federal University of São Carlos (UFSCar) in Brazil, has given rise to a biosensor capable of detecting pH changes in mammalian cells—which could be useful, for example,

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