2025-06-09 03:09:42动物植物
科学家发现230种新的巨型病毒,影响海洋生物和健康

Giant viruses play a role in the survival of single-celled marine organisms called protists. These include algae, amoeba, and flagellates, that form the base of ocean food webs. And since these protists form an important part of the food chain, these larg

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2025-06-09 02:58:51动物植物
研究发现蛋白质液滴可以保护脆弱的DNA免受修复错误的影响

When DNA breaks inside the cell, it can spell disaster, especially if the damage occurs in areas of the genome that are difficult to repair. Now, scientists Irene Chiolo and Chiara Merigliano at the USC Dornsife College of Letters, Arts and Sciences have

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2025-06-09 02:48:08动物植物
研究发现,发酵豆类可以提高抗氧化和抗糖尿病性能

Food scientists at the University of Illinois Urbana-Champaign identified the optimal fermentation conditions for pulses ― the dried edible seeds of legumes ― that increased their antioxidant and antidiabetic properties and their soluble protein content.

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2025-06-09 02:37:17动物植物
在2.36亿年前的粪便中发现了最古老的蝴蝶或飞蛾的物理证据

A team of paleontologists affiliated with several institutions in Argentina, working with a colleague from the U.K., has discovered evidence of scales from lepidopterans in dung samples recovered from a dig site in Talampaya National Park, Argentina. In t

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2025-06-09 02:25:26动物植物
让蛇咬他200次的人激发了新的抗蛇毒血清的希望

Tim Friede was feeling particularly down on the day after the September 11 attacks, so he went to his basement and let two of the world's deadliest snakes bite him.

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2025-06-09 02:13:45动物植物
令人惊讶的植物生长促进归因于已知的动物代谢分子

Within the animal kingdom, a naturally produced molecule known as itaconate serves a prominent role in the immune system as a defensive agent against viruses and inflammation. Itaconate is classified as a metabolite, a natural compound that arises when or

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2025-06-09 02:00:43动物植物
科学家研究寄生虫的生命周期以对抗致命的恰加斯病

Chagas disease is often called a silent killer because many people don't realize they have it until complications from the infection kill them.

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2025-06-09 01:47:08动物植物
可定制的芯片模拟真实的血管结构,用于疾病研究

Blood vessels are like big-city highways; full of curves, branches, merges, and congestion. Yet for years, lab models replicated vessels like straight, simple roads.

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2025-06-08 20:43:22前沿信息
弹道电子为下一代太赫兹器件开辟了新道路

In a world increasingly driven by high-speed communication and low-power electronics, a team of researchers from the National University of Singapore (NUS) and Singapore University of Technology and Design (SUTD) has proposed a fundamentally new way of ma

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2025-06-08 20:31:49前沿信息
天然来源的纳米粒子显示出对抗心血管和肾脏疾病的希望

Cardiovascular disease and kidney disease are two of the most urgent issues in global public health. In the United States alone, the U.S. Centers for Disease Control and Prevention reports that more than one in seven adults is affected by chronic kidney d

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2025-06-08 20:18:15前沿信息
解锁纳米药物的精确成分分析

Nanomedicines, especially those based on nanoparticles, are revolutionizing health care in terms of both diagnostics and therapeutics. These particles, often containing metals like iron or gold, can serve as contrast agents in medical imaging, act as nutr

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2025-06-08 00:46:05前沿信息
自搅拌纳米反应器提高化学合成的反应效率

Recent technological advances have opened new possibilities for the efficient and sustainable synthesis of various valuable chemicals. Some of these advances rely on nanotechnologies, systems or techniques designed to design and study materials or devices

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