2025-05-09 21:47:44动物植物
数据科学方法破解细胞运动密码

Scientists from St. Jude Children's Research Hospital and the Medical College of Wisconsin have created a data science framework to better understand how cells travel through the body.

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2025-05-09 21:36:31动物植物
巨型已灭绝袋鼠喜欢回家而不是漫游,这可能决定了它们的命运

Giant kangaroos stuck close to home and went extinct when climate change caused that home to disappear, according to a study published in PLOS One by Christopher Laurikainen Gaete of the University of Wollongong, Australia, and colleagues.

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2025-05-09 21:21:33动物植物
全球估计发现红树林培育了大量具有商业重要性的海洋物种

An international team of researchers with a variety of backgrounds has worked together to calculate a global estimate of the abundance of commercially important fish and invertebrates supported by mangrove forests. In their study published in the journal

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2025-05-09 21:10:07动物植物
节肢动物进化的新地图,从化石到胚胎

A new study by Prof. Ariel Chipman of The Alexander Silberman Institute of Life Science at the Hebrew University of Jerusalem provides a novel model for understanding the development and evolution of arthropod body plans—specifically the arrangement of th

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2025-05-09 20:55:21动物植物
微小的鳍特征有助于划桨手在波涛汹涌的海水中抓住岩石

On a wave-battered rock in the northern Pacific Ocean, a fish called the sculpin grips the surface firmly to maintain stability in its harsh environment. Unlike sea urchins, which use their glue-secreting tube feet to adhere to their surroundings, sculpin

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2025-05-09 20:43:47动物植物
竞争基因之间的“边缘政策”可能决定未出生哺乳动物的生存

A study has shown that a dangerous game of "brinkmanship" between rival genes in mammals could help explain why many fertilized eggs don't result in a new life.

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2025-05-09 20:32:15动物植物
植物通讯百年之谜解开:植物通过负压机制发出压力信号

Imagine if a plant in a farmer's field could warn a grower that it needs water? Or if a farmer could signal to plants that dry weather lies ahead, thereby prompting the plants to conserve water?

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2025-05-09 20:20:30动物植物
进化分析揭示了保护哺乳动物免受衰老和疾病的蛋白质变化

Over recent decades, humanity has witnessed a remarkable and continuous increase in lifespan. However, this advancement has been accompanied by a growing aging population, increasingly affected by age-related diseases such as cancer, neurodegeneration, an

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2025-05-09 20:08:23动物植物
扁虫研究表明,干细胞需要位置信号来驱动再生

Scientists at the National Cancer Institute and partnering institutions have discovered that Schmidtea polychroa, a flatworm capable of regenerating lost tissue, develops this ability progressively during early life stages. Whole-body regeneration emerges

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2025-05-09 19:55:02动物植物
实时成像揭示了病毒如何通过肠道微生物群传播

Researchers at the University of California, Irvine have developed a live-imaging system, Phollow, that tracks individual bacteriophages as they spread through the gut of zebrafish, showing that phages from different bacterial hosts vary in how they repli

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2025-05-09 19:42:25动物植物
入侵杂草威胁南加州的沙漠

Once thought resistant to invasion, regional deserts are losing native plants to aggressive weedy species like Saharan mustard. New research shows its spread is disrupting biodiversity and reducing the desert's ability to recover from extreme climate swi

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2025-04-21 21:52:28动物植物
跨领域增长:科学合作应对农业挑战

From soft robots crawling through crops to bio-based fertilizers that protect waterways, the future of farming lies at the intersection of scientific disciplines, according to a new study describing how agriculture's toughest challenges require coordinat

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