Nathan Reiff has been writing expert articles and news about financial topics such as investing and trading, cryptocurrency, ETFs, and alternative investments on Investopedia since 2016. Robert Kelly ...

Scientists have discovered a whole new type of roar produced by African lions, indicating the big cat’s communication could be more complex than commonly believed. Researchers from the University of ...

African lions living in widely separated populations in Tanzania and Zimbabwe roar in noticeably different ways, according to research suggesting one of nature’s most iconic sounds varies by geography ...

Abstract: Isolated current sensing is fundamental in several contexts, including power electronics, automotive, and smart buildings. In order to meet the requirements of modern applications, current ...