2025-03-15 02:36:11动物植物
科学家改写了蝗虫成群的规则

A study recently published in Science has found that classical models of collective behavior fail to explain the mechanisms driving desert locust swarms—an ecological phenomenon that affects millions of lives worldwide. This research offers a new perspect

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2025-03-15 02:21:48动物植物
一种古老的RNA引导系统可以简化基因编辑疗法的递送

A vast search of natural diversity has led scientists at MIT's McGovern Institute and the Broad Institute of MIT and Harvard to uncover ancient systems with the potential to expand the genome-editing toolbox. These systems, which the researchers call TIG

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2025-03-15 02:11:13动物植物
植物的热胁迫策略为气候变暖中的生存提供了见解

As Australia swelters through a scorching summer, the nation's flora is facing not just extreme heat, but also prolonged heat exposure. This deadly combination can damage plant health and resilience, with potentially devastating consequences.

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2025-03-15 01:56:51动物植物
公民科学揭示了城市园丁的观点和习惯

A study by the University of Florida explores theattitudes and behaviors of urban home gardeners through the lens of citizen science, offering fresh insights into how gardening is embraced in cities and its broader implications for community and environme

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2025-03-15 01:42:08动物植物
选择的玉米品系含有使主要作物害虫生病和死亡的化合物

The corn earworm causes the loss of more than 76,000 bushels of corn in the United States annually, and there is mounting evidence that increasingly extreme weather events and temperatures will exacerbate the damage done to agricultural output by insect p

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2025-03-15 01:27:38动物植物
简单的治疗可以减少怀孕奶牛的炎症及其副作用

The transition period from the late stages of pregnancy to when a cow gives birth and starts producing milk is one of the most challenging periods in a cow's life, according to researchers in Penn State's College of Agricultural Sciences. Physiological

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2025-03-15 01:15:23动物植物
研究表明,海龟会改变筑巢模式以应对气候变化

New research shows that turtles are responding to climate change by nesting earlier. Researchers monitoring nesting green and loggerhead turtles in Cyprus have discovered they are returning to their regular nesting spots earlier each year to compensate fo

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2025-03-15 01:03:33动物植物
虚拟标记可在拥挤的环境中实现高度精确的多动物姿势跟踪

Studying the social behavior of animals in their natural environments is necessary for advancing our understanding of neurological processes. To achieve this, tracking multiple individuals simultaneously and accurately as they interact in shared spaces is

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2025-03-15 00:53:12动物植物
不再是“哑巴鸟”:研究人员表示,鸸鹋和美洲大蠊是技术创新者

Large birds—our closest relations to dinosaurs—are capable of technical innovation, by solving a physical task to gain access to food. This is the first time scientists have been able to show that palaeognath birds such as emus and rheas can solve tricky

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2025-03-15 00:41:08动物植物
支持细胞粘附和组织修复的新机制具有治疗潜力

Northwestern Medicine investigators have discovered new mechanisms underlying cellular adhesion and repair, findings that could inform the development of new therapeutics that boost cellular repair after tissue injury, according to a recent study publishe

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2025-03-15 00:28:52动物植物
捕食者机器人帮助研究人员发现斑马鱼幼虫是如何快速学习的

A novel system developed by Janelia researchers that chases larval zebrafish around an arena with predator robots is enabling scientists to understand how these days-old fish quickly learn in the real world.

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2025-03-15 00:16:59动物植物
科学家破译了美国最具标志性的树木之一白橡树的DNA

Highly valued economically, ecologically and culturally, the white oak (Quercus alba) is a keystone forest species and is one of the most abundant trees across much of eastern North America. It also faces declining seedling recruitment in many parts of it

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