2025-04-19 12:17:37动物植物
日本科学家率先在灵长类动物中进行非病毒基因递送

Genetic engineering in non-human primates has long been limited by the need for virus-based gene delivery methods. Recently, researchers in Japan successfully used a nonviral system to introduce a transgene—that is, a gene that has been artificially inser

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2025-04-19 12:03:51动物植物
新的喷雾技术帮助农药附着在植物叶子上,以减少污染径流

Reducing the amount of agricultural sprays used by farmers—including fertilizers, pesticides, and herbicides—could cut down the amount of polluting runoff that ends up in the environment while at the same time reducing farmers' costs and perhaps even enh

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2025-04-19 11:51:47动物植物
多巴胺的一个打击告诉小鸟什么时候它们的唱歌练习得到了回报

In his home office in Durham, Duke neuroscientist Richard Mooney shows a series of images of a bird's brain on song. In one, what looks like a pointillist painting illustrates a young zebra finch's myriad attempts to sound more like an adult, capable of

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2025-04-19 11:38:22动物植物
诊断技术在三小时内实现了近100%的病原体识别准确率

A joint team of professors—Hajun Kim, Taejoon Kwon, and Joo Hun Kang—from the Department of Biomedical Engineering at UNIST has unveiled a novel diagnostic technique that utilizes artificially designed polymers known as peptide nucleic acid (PNA) as probe

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2025-04-19 11:25:01动物植物
坏死细胞如何促进身体的再生过程

Researchers have shed new light on how tissues in the body are repaired following the damage and premature death of tissue cells.

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2025-04-19 11:12:48动物植物
新发现的化石遗址的放射性同位素年龄为哺乳动物的进化提供了线索

Anatolia, the western part of modern-day Turkey that sits at the crossroads of Asia, Africa, and Europe, is a fossil-rich land crucial to unlocking the mysteries surrounding the evolution of mammals over the last 10 million years. Despite the abundance of

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2025-04-19 11:01:54动物植物
大象如何规划它们的旅程:新的研究揭示了节能策略

A new study has revealed that African elephants have an extraordinary ability to meet their colossal food requirements as efficiently as possible. Data from over 150 elephants demonstrated that these giants plan their journeys based on energy costs and re

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2025-04-19 10:47:45动物植物
研究表明,蝌蚪试图通过比正常生长快得多的速度来逃离池塘中的危险病毒

The world's amphibians are in trouble. Because of their sensitivity to climate change, habitat loss, and pollution, they may be the canary in the coal mine for the nascent anthropogenic mass extinction. Approximately 200 amphibian species have become ext

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2025-03-16 04:48:20动物植物
研究发现,人工智能在推进生物多样性保护方面具有尚未开发的潜力

A new study from McGill University researchers suggests the use of artificial intelligence (AI) to rapidly analyze vast amounts of biodiversity data could revolutionize conservation efforts by enabling scientists and policymakers to make better-informed d

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2025-03-16 04:34:25动物植物
神经元的反向迁移:探索大脑的进化结构

Researchers from the University of New Hampshire looked at the developmental process of the cerebral cortex—the outermost layer of the brain—and examined how neurons, or nerve cells, refine their positions in the brain after birth. Their study shed light

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2025-03-16 04:21:13动物植物
新技术为CRISPR筛查提供了空间视角

Recently, scientists have been able to explore gene circuitry in individual cells using methods that suppress particular genes and measure the impact on the expression of other genes. These methods, however, fail to capture spatial information such as the

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2025-03-16 04:09:36动物植物
安第斯山脉的蜂鸟在殖民地筑巢,违反了领土规范

Recent research by Bowling Green State University scientists has sent shockwaves through the bird-watching world after discovering atypical behavior in hummingbirds.

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