The course will roll out to all learners on Duolingo's iPhone app in English in the coming weeks, with broader plans to reach more users in different languages in the coming month ...

If you’ve ever played chess ... move pieces. In addition, a reed switch under each square can tell if a square is occupied or not. This system is pretty simple, but it is effective. After all ...

This can be done via any chess piece presented in the new arena, as long as that particular piece can "checkmate" the King piece. This article will list all the moves you can perform to complete ...