Abstract: Four-degrees-of-freedom (4-DoFs) ankle fracture surgery assistant and rehabilitation robot based on 4-RPUR was developed to help the patients recover movement ability of the ankle.

Abstract: This article focuses on a nonisolated dc–dc converter with main and auxiliary converters intended for railway applications. The conventional auxiliary converter is composed of multiple ...

This study investigates how sleep loss and circadian disruption affect whole-organ metabolism in flies (Drosophila melanogaster) and reports that wild-type flies align metabolism in anticipation of ...

Can you chip in? This year we’ve reached an extraordinary milestone: 1 trillion web pages preserved on the Wayback Machine. This makes us the largest public repository of internet history ever ...

The U.S. Department of Education building, weeks into the continuing U.S. government shutdown, in Washington, D.C., U.S., October 21, 2025. REUTERS/Kylie Cooper Several Democratic-led states, cities ...