2025-02-25 14:20:41动物植物
古老起源故事的新转折:最早的恐龙可能出现在亚马逊地区

The remains of the earliest dinosaurs may lie undiscovered in the Amazon and other equatorial regions of South America and Africa, suggests a new study led by UCL (University College London) researchers.

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2025-02-25 14:09:13动物植物
鬃毛吸引力:分子“开关”可能控制头皮长发

Treating hair loss may be as simple as developing therapies to flip a molecular "switch," according to a new study by researchers from Penn State; the University of California, Irvine; and National Taiwan University.

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2025-02-25 13:56:46动物植物
分子机制揭示了多毛贻贝如何实现可逆的水下粘附

A research team at POSTECH has uncovered the molecular mechanism behind the remarkable underwater adhesion of hairy mussels (Barbatia virescens). Their findings, published in Nature Communications, reveal an oxidation-independent adhesion process driven b

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2025-02-25 13:43:55动物植物
从根到芽:硅如何增强植物的适应力

Silicon (Si) is one of the most abundant elements on Earth, found in large quantities in soil. While Si is not essential for land plants, many plants, such as rice and grasses, have used Si to develop powerful defense mechanisms against various environmen

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2025-02-25 13:31:42动物植物
自我监督学习方法可以测试2000万个或更多的细胞

Our bodies are made up of around 75 billion cells. But what function does each individual cell perform and how greatly do a healthy person's cells differ from those of someone with a disease? To draw conclusions, enormous quantities of data must be analy

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2025-02-25 13:19:25动物植物
发现保护细胞免受病毒侵害的独特遗传机制

Researchers at the Technion-Israel Institute of Technology have discovered a unique genetic mechanism that provides cells with rapid and efficient protection against viruses. The findings could lead to the development of new therapeutic strategies.

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2025-02-25 13:09:23动物植物
酸性更强的海洋可能会影响牡蛎的性别

Rising carbon dioxide levels affect more than just the climate; they also affect the chemistry of the oceans. When saltwater absorbs carbon dioxide, it becomes acidic, which alters the aquatic animal ecosystem.

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2025-02-25 12:55:04动物植物
新工具实现了对整个基因组的系统发育学分析

Researchers led by electrical engineers at the University of California San Diego have developed a better way to perform the comparative analysis of entire genomes. This approach can be used to study relationships between different species across geologic

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2025-02-25 12:42:35动物植物
迈向分子世界的视频生成模型

As the capabilities of generative AI models have grown, you've probably seen how they can transform simple text prompts into hyperrealistic images and even extended video clips.

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2025-02-25 12:32:00动物植物
在“疯狂”鸟类中发现的调节雄性睾酮水平的超级酶

A single gene that regulates testosterone levels in a "crazy" species of shore bird controls the development of three wildly different types of males, an international study involving researchers at Simon Fraser University has found.

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2025-02-25 12:19:02动物植物
气候变化已经威胁到中欧一半以上的生产性农业景观

Droughts are a serious consequence of climate change, devastating ecosystems, along with the organisms and communities who inhabit them. Understanding the impact of this upon agricultural productivity is vital to ensure sustainable food supplies and local

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2025-02-25 12:06:28动物植物
发现细菌会永远吃化学物质,甚至是它们的一些有毒副产品

In the quest to take the "forever" out of "forever chemicals," bacteria might be our ally. Most remediation of per- and polyfluoroalkyl substances (PFAS) involves adsorbing and trapping them, but certain microbes can actually break apa

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