Every weekday morning we release brand new Sudoku puzzles with easy, medium and hard versions. Enjoy solving today's puzzles and remember to come back for a new challenge! Check out our ...

It’s one of the paradoxes of Philadelphia’s 21st century residential building boom. The more rowhouses and apartments that get built here, the more they look alike. The streets of Fishtown and ...

NVIDIA is rolling out AI data center reference designs that combine digital twins with power, cooling, and controls ...

The ksar, a group of earthen buildings surrounded by high walls, is a traditional pre-Saharan habitat. The houses crowd together within the defensive walls, which are reinforced by corner towers.