Duolingo launched a beta version of a chess course on Tuesday, April 22. The new, free course teaches users how each chess piece moves through short puzzles, lead by the app's in-game chess coach ...

Duolingo has been through a lot of changes over the past few years. What was once solely a language-learning app has grown into a social media marketing machine, a destination for math and music ...

Corrected: A previous version of this article referenced the International Chess Federation acronym as ICF. The acronym is FIDE. There are 25 million kids worldwide who play chess competitively, ...

Bill Whitaker is an award-winning journalist and 60 Minutes correspondent who has covered major news stories, domestically and across the globe, for more than four decades with CBS News. When Matt ...