2024-05-09 21:20:27动物植物
“导体”如何理解早期小鼠胚胎中的混乱

Early embryonic development is tumultuous. It involves a rapid sequence of events, including cell division, differentiation, and lots of compartments moving around within each cell. Like an orchestra performance where each member of the band must start pl

阅读全文
2024-05-09 21:09:29动物植物
研究表明,大型食草动物的消失会影响植物与其天敌之间的相互作用

Insects and microorganisms that feed on plants, cut up leaves, modify leaf tissue or produce leaf spots and other kinds of damage, are usually known as pests and considered harmful, yet interactions between plants and their natural enemies are important s

阅读全文
2024-05-09 20:58:22动物植物
使用算法解码抹香鲸的复杂拼音

The allure of whales has stoked human consciousness for millennia, casting these ocean giants as enigmatic residents of the deep seas. From the biblical Leviathan to Herman Melville's formidable Moby Dick, whales have been central to mythologies and folk

阅读全文
2024-05-09 20:47:11动物植物
黑猩猩即使在成年后也能学习和提高工具使用技能

Chimpanzees continue to learn and hone their skills well into adulthood, a capacity that might be essential for the evolution of complex and varied tool use, according to a study published May 7 in the open-access journal PLOS Biology by Mathieu Malherbe

阅读全文
2024-05-09 20:35:48动物植物
研究强调对抗耐药细菌的新策略

Several billion years ago, a genetic arms race began between bacteria and their viral killers. This seemingly eternal struggle continues today, with implications for diseases killing tens of thousands of people around the world each year.

阅读全文
2024-05-09 20:20:59动物植物
在南非,小型灵长类动物可能难以适应气候变化

In the "sky islands" of the Soutpansberg Mountains of South Africa, two closely related species of primate jostle for space. One is the thick-tailed greater galago (Otolemur crassicaudatus), also known as a bushbaby, which is about the size of a

阅读全文
2024-05-09 20:10:35动物植物
研究人员揭示了分子障碍如何减缓用于生物燃料的纤维素的分解

Cellulose, which helps give plant cell walls their rigid structure, holds promise as a renewable raw material for biofuels—if researchers can accelerate the production process. Compared to the breakdown of other biofuel materials like corn, breaking down

阅读全文
2024-05-09 19:58:59动物植物
研究人员对城市动物的态度以及人们希望它们生活在哪里进行了调查

How do city residents feel about animals in their immediate surroundings? A recent study published in the Journal of Urban Ecology by the Technical University of Munich (TUM), the University of Jena and the Vienna University of Technology shows how differ

阅读全文
2024-05-09 19:34:21动物植物
大数据有助于确定疾病风险的驱动因素

Working with nearly 3,000 observations across almost 1,500 host-parasite combinations, researchers at Notre Dame University have found that biodiversity loss, chemical pollution, introduced species, and climate change, but not urbanization, are driving in

阅读全文
2024-05-09 19:21:45动物植物
模型预测箱树蛾在北美的未来传播

CABI scientists have led research with collaborations from the University of Toronto and University of Guelph, both in Canada, to update a model which predicts the future spread of the box tree moth (Cydalima perspectalis) in North America.

阅读全文
2024-05-09 19:07:05动物植物
有限的适应性使淡水细菌容易受到气候变化的影响

Freshwater bacteria with small genomes frequently undergo prolonged periods of adaptive stagnation. Based on genomic analyses of samples from Lake Zurich and other European lakes, researchers at the University of Zurich have uncovered specific evolutionar

阅读全文
2024-05-09 18:53:14动物植物
研究人员发现癌蛋白的新功能

Researchers at the University of Würzburg have discovered a new function of the oncoprotein MYCN: It not only helps cancer cells to grow stronger, but also makes them more resistant to drugs. The study is published in Molecular Cell.

阅读全文
 3154   首页 上一页 202 203 204 205 206 207 208 209 210 211 下一页 尾页