kv4p HT is an open-source hardware VHF or UHF radio designed to plug into the USB-C port of an Android smartphone and turn it into a handheld ham radio transceiver. It’s based on an ESP32 wireless ...

这篇综述系统梳理了血清素（5-HT）系统在注意力缺陷多动障碍（ADHD）中的作用，通过分析95篇文献（81.1%支持血清素参与ADHD病理），揭示了血清素代谢（包括合成、受体激活、转运体SERT及降解酶MAO）与多巴胺（DA）、去甲肾上腺素（NE）系统的交互作用，为开发 ...

这篇综述系统梳理了血清素(5-HT)与注意力缺陷多动障碍(ADHD)核心症状(多动、冲动、情绪失调)的关联机制，揭示了5-HT通过调节 ...

Before YouTube, you had to watch your educational videos on film. In the 1970s, if you studied radio, you might have seen the video from Universal Education and Visual Arts, titled Understanding ...

Host Diane Rehm sat behind the mic at our home station, WAMU, for nearly 40 years. Her eponymous news talk program aired from 1979 to 2016 to nearly 3 million listeners each week. In some ways, her ...

北京斯朋特电子仪器有限公司是一家专业从事环境监测、环境安全评价、核电子学与核技术应用开发以及环境监测仪器与辐射防护器材销售的科技公司，其中辐射防护领域中以国内多家研究院为合作单位，合作开发辐射防护产品及相关防护工程项目。 HT-1A型空气 ...

Northwest Iowa — This has been National Police Week in the United States. A part of the week is Peace Officers ...

A user came to Discord with a device that kept asking to be re-flashed, despite flashing successfully. It turns out their SA818 radio module was not yet installed ...

To deter predators, the Colorado river toad (Incilius alvarius) exudes the toxin 5-MeO-DMT from glands within its skin. While the substance puts off predators, people who consume 5-MeO-DMT can have a ...

The ghost with the most is back. After 36 years, director Tim Burton has resurrected cult classic film “Beetlejuice” for a much-anticipated sequel. It’s not the first time the franchise has come back ...

At 1A, when it comes to election coverage, we focus on the stakes, not the chatter. And nothing could be more high-stakes than the country's ability to conduct elections safely and with integrity.

A modified psychedelic found in the venom of a poisonous toad could be an effective treatment option for depression and anxiety, a new study published this week in the journal Nature found. Recent ...