2024-06-20 22:04:17动物植物
研究表明,土地管理和气候变化影响生态系统同时提供多种服务的能力

A novel study published in Nature Communications found that agroecosystems in Central Germany, specifically grasslands and croplands, may have an enhanced capacity to provide multiple goods and services simultaneously when land management reduces the use

阅读全文
2024-06-20 21:52:48动物植物
研究表明,黑猩猩明白,他们有时在猜测时依赖运气

Psychologists Benjamin Jones and Josep Call at the University of St Andrews, in the U.K., have found via behavioral experiments that chimpanzees know that they rely on luck when making guesses about certain things. Their paper is published in the journal

阅读全文
2024-06-20 21:38:23动物植物
新西兰一只小鸟上了鸟鸣进化课

Parrots, songbirds, and hummingbirds can learn to make new sounds. No-one knew, but New Zealand's smallest bird, the rifleman or titipounamu, may have a rudimentary version of the same talent.

阅读全文
2024-06-20 21:24:49动物植物
3000万年前龙猫的表亲表现出听力增强的迹象,并群居

Paleontologists from the Institut Català de Paleontologia Miquel Crusafont (ICP), the University of Edinburgh (UK), the Universidade Federal de Santa Maria (Brazil), and the University of Toronto in (Canada) have shown that the early South American rodent

阅读全文
2024-06-20 21:13:19动物植物
对荧光“暗态”的新见解阐明了改进成像的前进方向

Scientists at St. Jude Children's Research Hospital have reported a way to improve molecular scale distance measurements using single-molecule fluorescence resonance energy transfer (smFRET). smFRET quantifies the excitation and emission properties of ch

阅读全文
2024-06-20 21:00:33动物植物
研究发现,与过去6600万年相比,鲨鱼的功能多样性已经枯竭

New research by Swansea University and the University of Zurich has found that sharks retained high levels of functional diversity for most of the last 66 million years, before steadily declining over the last 10 million years to its lowest value in the p

阅读全文
2024-06-20 20:45:54动物植物
心脏结构研究为人类进化提供了新的理解

An international research team from Swansea University and UBC Okanagan (UBCO) has uncovered a new insight into human evolution by comparing humans' hearts with those of other great apes.

阅读全文
2024-06-20 20:35:53动物植物
对抗抗生素耐药性的新武器:温度

Scientists from the University of Groningen (the Netherlands), together with colleagues from the University of Montpellier (France) and the University of Oldenburg (Germany), have tested how a fever could affect the development of antimicrobial resistance

阅读全文
2024-06-20 20:24:01动物植物
研究人员绘制了最后一种现存野马的基因组图

University of Minnesota researchers have successfully mapped the complete genome of the endangered Przewalski's horse. Once extinct in the wild, the species now has a population of around 2,000 animals thanks to conservation efforts.

阅读全文
2024-06-20 20:09:04动物植物
改善土壤健康为农民带来意想不到的好处

In the U.S., as farmers wrestle with extreme heat and drought, heavy rainfall and flooding, and erosion—all factors of climate change which can take a toll on crops—there's been a lot of buzz over regenerative agriculture over the past few years, as big

阅读全文
2024-06-20 19:57:33动物植物
一些CRISPR筛选可能缺失癌症药物靶点

CRISPR/Cas9 gene editing has made possible a multitude of biomedical experiments, including studies that systematically turn off genes in cancer cells to look for ones that the cancer cells heavily depend on to survive and grow. These genes, or "canc

阅读全文
2024-06-11 19:59:53动物植物
视频:人工智能和显微镜如何帮助对抗感染

Researchers are using AI-powered microscopy to study the bacterium Shigella, offering fresh hope in the battle against antimicrobial resistance.

阅读全文
 3112   首页 上一页 171 172 173 174 175 176 177 178 179 180 下一页 尾页