2025-03-15 04:11:35动物植物
发现致病真菌使用的常见“武器”可以帮助设计出更有弹性的粮食作物

The discovery of a powerful "weapon" used by many disease-causing fungi to infect and destroy major food crop staples, such as rice and corn, could offer new strategies to bolster global food security, according to researchers from The Australia

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2025-03-15 03:56:47动物植物
在芬兰发现的世界上最古老的杜松灌木——年轮表明它有1647年的历史

Researchers from the University of Padua in Italy found a juniper at Utsjoki in Finnish Lapland, which they analyzed to be 1,647 years old by examining the annual rings. The paper is published in the journal Ecology.

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2025-03-15 03:41:51动物植物
中西部田间试验表明,过度使用抗根虫玉米会降低农民的利润

An analysis of data covering 12 years and 10 U.S. Corn Belt states reveals that farmers suffer economic loss from the overapplication of genetically engineered corn designed to combat rootworm pests.

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2025-03-15 03:26:57动物植物
太多的好事:高氮水平如何损害植物免疫力

Even for plants, there can be too much of a good thing. When nitrogen levels are too high, for example due to excessive fertilization, plants become more susceptible to certain diseases. However, the exact reasons are not yet fully understood.

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2025-03-15 03:12:08动物植物
基于X光成像的方法能够用光对活组织进行3D打印

Xolography is a novel light printing technique that has been explored for dental products and in-space manufacturing. At Eindhoven University of Technology (TU/e), this technique has now been adapted to 3D print living cells. This research can pave the wa

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2025-03-15 03:00:59动物植物
计算机视觉系统跟踪植物生长以指导特种作物监测

Soilless growing systems inside greenhouses, known as controlled environment agriculture, promise to advance the year-round production of high-quality specialty crops, according to an interdisciplinary research team at Penn State. But to be competitive an

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2025-03-15 02:46:46动物植物
衣原体如何在人体细胞内形成保护性气泡以存活

The bacterium chlamydia trachomatis is a major cause of sexually transmitted diseases. Bacteria have lots of tricks up their sleeve that help them survive inside cells. One strategy that chlamydia uses is to form protective "bubbles," called inc

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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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