Duolingo more than doubled its offerings of language courses to help people learn a second language and become multilingual ...

"Faking my death was the test and you all passed." Thirteen days after announcing the death of its beloved mascot, Pittsburgh-based language-learning app Duolingo announced Monday the famous green ...

Aside from the candidate checklist, Duolingo also espouses one unwritten guideline in hiring to keep company culture healthy and happy. The tech world is full of characters—and just like most ...