2025-05-10 16:41:12动物植物
失去大自然的“无名英雄”威胁着生态系统

A new study published in Nature Ecology & Evolution has put to the test what happens when dominant ant species vanish from the ecosystem—with worrying results.

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2025-05-10 16:28:38动物植物
随着气候变暖导致生物多样性发生重大变化,北极植物生命发生了变化

Rapid climate change is upending plant life in the Arctic. A new study in Nature shows how one of the most fragile ecosystems on Earth is changing as warming is up to four times faster in the Arctic than on Earth on average. Scientists around the world ha

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2025-05-10 16:18:15动物植物
疱疹病毒蛋白模拟宿主酶来平衡感染和潜伏期

Viruses are microscopic pathogens composed of genetic material housed within a protective protein shell. While they carry the blueprint required for producing additional viral proteins, they lack the equipment needed for the same. For this, they hijack ho

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2025-05-10 16:03:37动物植物
使用细菌作为活试管研究人类基因突变并寻找新的药物线索

Traditional biochemical methods of studying human gene mutations are often laborious and costly. Now bioengineers at the University of California San Diego have developed a new simple approach to rapidly check on human gene changes and also screen chemica

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2025-05-10 15:53:19动物植物
微小RNA的微小调整揭示了基因控制的重大见解

Researchers at Karolinska Institutet and Uppsala University have developed a powerful new technique to better understand how tiny molecules in our cells, called microRNAs, control which genes are turned on or off—a discovery that could improve how we stud

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2025-05-10 15:39:09动物植物
“可解释的”人工智能破解了粘性蛋白质的秘密语言

An AI tool has made a step forward in translating the language proteins use to dictate whether they form sticky clumps similar to those linked to Alzheimer's disease and around fifty other types of human disease. In a departure from typical "black-b

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2025-05-10 15:25:17动物植物
海獭受益于赭色海星损失引发的猎物激增

New research led by Monterey Bay Aquarium reveals a surprising ripple effect in coastal ecosystems: the collapse of one marine predator can benefit another.

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2025-05-10 15:14:23动物植物
从前花园到大陆,这就是为什么生物多样性从小到大没有均匀增加的原因

The number of species does not increase evenly when going from local ecosystems to continental scales—a phenomenon ecologists have recognized for decades. Now, an international team of scientists, including researchers from the German Center for Integrati

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2025-05-10 15:01:36动物植物
隐藏在众目睽睽之下:研究人员发现了“好奇心”病毒的流行

A type of virus thought to be a "mere curiosity" is plentiful in one common bacteria, and possibly others, a Monash University-led research team has found.

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2025-05-10 14:49:34动物植物
便携式生物电池使用活体水凝胶进行靶向神经信号调制

Bio-batteries constructed by electroactive microorganisms have unique advantages in physiological monitoring, tissue integration, and powering implantable devices due to their superior adaptability and biocompatibility. However, the development of miniatu

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2025-05-10 14:39:11动物植物
研究发现,蝙蝠中脑中的集群神经元编码不同类别的发声

The ability to quickly recognize sounds, particularly the vocalizations made by other animals, is known to contribute to the survival of a wide range of species. This ability is supported by a process known as categorical perception, which entails the tra

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2025-05-10 14:24:39动物植物
种子、技能和支持:决定南亚农民气候适应能力的因素

South Asia, home to some of the vulnerable agricultural regions, is already experiencing the harsh impacts of climate change. Rising temperatures and erratic rainfall are particularly affecting the rain-fed farming systems in Nepal, India, and Bangladesh,

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