2024-06-30 02:50:06动物植物
科学家确定了我们必须保护的安全避难所,以防止“地球上第六次生命大灭绝”

In a new article, a coalition of conservationists and researchers have shown how we can protect Earth's remaining biodiversity by conserving just a tiny percentage of the planet's surface. This affordable, achievable plan would make it possible for us t

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2024-06-30 02:36:32动物植物
新的荧光报告系统阐明内质网中未折叠蛋白质的积累

The endoplasmic reticulum (ER) is a major organelle responsible for protein folding and trafficking. Protein folding stress in the ER can lead to the accumulation of unfolded or misfolded proteins, known as ER stress, which activates the unfolded protein

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2024-06-30 02:22:26动物植物
研究确定了对抗认知能力下降的基因靶点

Researchers have identified the possible mechanisms by which long-lived mutants of the model system Caenorhabditis elegans are able to maintain learning and memory later in life while some experience cognitive decline.

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2024-06-30 02:09:06动物植物
研究揭示了一种酶如何搭上另一种酶的顺风车来识别tRNA

Imagine your body as a highly organized factory where workers tirelessly assemble proteins around the clock. These proteins are the machines and scaffolds that make up your body and are essential for various functions. In this factory, special delivery tr

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2024-06-30 01:58:39动物植物
蝙蝠使用四种关键战术精确追踪目标

The ability of "target tracking," i.e., keeping a target object in sight, is essential for various activities and has improved in animals and machines through the evolution of life and technology, respectively. Because most sensing systems are i

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2024-06-30 01:44:11动物植物
增强“自然杀伤”细胞活性可以改善癌症治疗

Yale researchers have uncovered a way to make a type of white blood cells known as natural killer cells—which kill infected, damaged, or malignant cells in the body—more effective against cancer. The approach, they say, could enable new treatments for sol

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2024-06-30 01:31:45动物植物
细菌被发现能产生类似防冻剂的蛋白质,帮助海洋蠕虫在极地水域生存

A team of marine biologists affiliated with multiple institutions in Italy has found that some marine worms are able to survive in cold polar waters thanks to symbiotic bacteria that produce antifreeze-like proteins.

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2024-06-30 01:21:14动物植物
澳大利亚巨型蜥蜴帮助拯救绵羊免于被活活吃掉

Giant lizards called heath goannas could save Australian sheep farmers millions of dollars a year by keeping blowfly numbers down—and must be prioritized in conservation schemes to boost native wildlife, say researchers.

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2024-06-30 01:08:31动物植物
商业土壤、堆肥、球茎中发现的耐多药真菌

Named a critical public health threat by WHO, Aspergillus fumigatus is potentially deadly to immunocompromised

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2024-06-30 00:57:23动物植物
发现细胞活动的巨大性别差异对疾病治疗有重要意义

"We discovered a pronounced 'men are from Mars, women are from Venus' pattern," says marine and environmental biologist Suzanne Edmands.

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2024-06-30 00:46:13动物植物
研究人员绘制了这只彩绘蝴蝶4200公里的跨大西洋飞行图,这是世界上第一次

In October 2013, Gerard Talavera, a researcher from the Botanical Institute of Barcelona at CSIC, made a surprising discovery of painted lady butterflies on the Atlantic beaches of French Guiana—a species not typically found in South America. This unusual

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2024-06-30 00:34:58动物植物
为什么科学家们担心非本土马和驴子对自然生态系统的影响

Worldwide, introduced non-native herbivores have the potential to threaten native ecosystems. For example, in western North America, uncontrolled numbers of feral horses and burros are threatening natural habitats and the native wildlife that rely on them

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