2024-07-19 20:43:56动物植物
蚂蚁和树木:热带雨林中的“进化似曾相识”

Ants are famous for their regimented and complex social behaviors. In the tropics, they are also famous for forming mutualisms with plants. Certain species of trees have conspicuous hollow swellings that house ants, often feeding the ants with specialized

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2024-07-19 17:49:02前沿信息
分子活板材料有望实现高选择性气体吸附

An international team led by scientists at City University of Hong Kong has found a flexible metal-organic framework (MOF) with one-dimensional channels that acts as a "molecular trapdoor" to selectively adsorb gases, such as carbon dioxide, in

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2024-07-19 17:36:34前沿信息
纳米三层在半导体材料中表现出超快电荷转移

Successfully innovating optoelectronic semiconductor devices depends a lot on moving charges and excitons—electron-hole pairs—in specified directions for the purpose of creating fuels or electricity.

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2024-07-19 17:23:47前沿信息
模拟酶的纳米级材料可以转化CO;转化为化学构建模块

Montana State University researcher James Crawford recently published a collaborative paper with the National Renewable Energy Laboratory that marks a step forward in their quest for what he calls a "holy grail" of chemistry: converting the gree

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2024-07-19 17:13:29前沿信息
释放纳米孔的力量:新的设计方法扩大了单分子分析的机会

Transmembrane β-barrel pores (TMBs) are extensively used for single-molecule DNA and RNA sequencing. They enable the miniaturization of a wide array of sensing and sequencing applications into portable USB-size devices and point-of-care technologies. A te

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2024-07-19 17:00:20前沿信息
利用折纸纳米探针诊断癌症转移的新技术

Johns Hopkins engineers have created a new optical tool that could improve cancer imaging. Their approach, called SPECTRA, uses tiny nanoprobes that light up when they attach to aggressive cancer cells, helping clinicians distinguish between localized can

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2024-07-19 03:22:56动物植物
新技术有助于发现鲸鱼、食火鸡和其他几乎听不见的动物叫声中隐藏的细节

Over the past few decades, animal sounds have seen a huge surge in research. Advances in recording equipment and analysis techniques have driven new insights into animal behavior, population distribution, taxonomy and anatomy.

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2024-07-19 03:11:20动物植物
研究发现,土地利用影响明尼苏达州的侵袭性艾菊传播

Common tansy, whose scientific name is Tanacetum vulgare, is an invasive plant found in Northeastern Minnesota spreading rapidly throughout the state. It can quickly establish dense monocultures that squeeze out native plants and is difficult and costly t

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2024-07-19 03:01:00动物植物
一种与低糖产品“凝胶”的高品质果胶

U.S. Department of Agriculture (USDA)'s Agricultural Research Service (ARS) scientists developed a high quality and inexpensive pectin that can successfully gel in low sugar products and still be scalable for commercial production.

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2024-07-19 02:50:54动物植物
保护世界上最受威胁的海洋动物之一

Researchers from Murdoch University's Harry Butler Institute have employed the latest genetic techniques to uncover critical breeding and reproductive knowledge about one of the world's most threatened marine animals—the sawfish.

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2024-07-19 02:36:51动物植物
研究发现根际细菌可以对抗埃塞俄比亚的Striga并提高高粱产量

A research team has identified potential Striga-suppressing rhizobacteria associated with sorghum, which have been shown to significantly reduce Striga seed germination rates. This study highlights the value of soil-borne bacteria as bioherbicides to cont

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2024-07-19 02:26:05动物植物
通过创新育种和机械化提高再生稻产量和可持续性

A research team has reviewed the advancements and prospects of ratoon rice cultivation in China, highlighting its significant rise due to improved breeding methods and cultivation technology. They examined key aspects such as cultivar selection, stubble h

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