2023-12-23 15:45:03物质与能量
人工智能为新药铺平道路

Researchers have developed an AI model that can predict where a drug molecule can be chemically altered.

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2023-12-23 15:45:01物质与能量
逐步淘汰化石燃料可以挽救数百万人的生命

A new study estimates that the mortality burden attributable to air pollution from fossil fuel use is considerably higher than most previous estimates -- a phaseout of fossil fuels would have tremendous, positive health outcomes.

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2023-12-23 15:44:58物质与能量
使用新型催化剂,耐用的塑料污染易于清洁降解

Many people are familiar with the haunting images of wildlife -- including sea turtles, dolphins and seals -- tangled in abandoned fishing nets.

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2023-12-23 15:44:55物质与能量
改进疫苗的进展

To ensure that vaccines provide strong and lasting immunization, it is often necessary to supplement the actual vaccine (antigen) with additives that stimulate the immune system: adjuvants. Today, only a few substances have been approved for use as adjuva

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2023-12-23 15:44:51物质与能量
研究人员开发了一种新型的基于深度学习的自动驾驶汽车检测系统

Autonomous vehicles hold the promise of tackling traffic congestion, enhancing traffic flow through vehicle-to-vehicle communication, and revolutionizing the travel experience by offering comfortable and safe journeys. Additionally, integrating autonomous

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2023-12-23 15:44:48物质与能量
研究人员表明,一条古老的定律仍然适用于古怪的量子材料

Long before researchers discovered the electron and its role in generating electrical current, they knew about electricity and were exploring its potential. One thing they learned early on was that metals were great conductors of both electricity and heat

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2023-12-23 15:44:46物质与能量
学校饮用水中不安全的铅含量:新研究识别了建筑风险因素

University of Massachusetts Amherst civil and environmental engineers have determined the factors that may help identify the schools and daycare centers at greatest risk for elevated levels of lead in drinking water. The most telling characteristic for sc

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2023-12-23 15:44:43物质与能量
智能微电网可以在停电时更高效、更可靠地恢复电力

It's a story that's become all too familiar -- high winds knock out a power line, and a community can go without power for hours to days, an inconvenience at best and a dangerous situation at worst. UC Santa Cruz Assistant Professor of Electrical and Co

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2023-12-23 15:44:41物质与能量
研究人员揭示了制造酸酐化合物的新工艺

UNC-Chapel Hill chemist Alex Miller and Eastman scientist Javier Grajeda are leading a collaborative academic-industry team to identify more sustainable routes to elaborate basic building blocks of the chemical industry.

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2023-12-23 15:44:39物质与能量
科学家利用人工智能生成的图像绘制大脑的视觉功能图

Researchers at Weill Cornell Medicine, Cornell Tech and Cornell's Ithaca campus have demonstrated the use of AI-selected natural images and AI-generated synthetic images as neuroscientific tools for probing the visual processing areas of the brain. The g

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2023-12-23 15:44:36物质与能量
“像乐高一样组装在一起”的光子芯片为半导体行业打开了大门

Researchers at the University of Sydney Nano Institute have invented a compact silicon semiconductor chip that integrates electronics with photonic, or light, components. The new technology significantly expands radio-frequency (RF) bandwidth and the abil

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2023-12-23 15:44:33物质与能量
为了帮助自动驾驶汽车做出道德决策,研究人员放弃了“电车问题”

Researchers have developed a new experiment to better understand what people view as moral and immoral decisions related to driving vehicles, with the goal of collecting data to train autonomous vehicles how to make "good" decisions. The work is designe

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