Learning
Practicing language comprehension – and resilience – with Duolingo Podcasts
Learning
Goldilocks and the CEFR levels: Which proficiency level is just right?
Product
Duolingo Stories: The journey to Android
Learning
Improving how Duolingo teaches Chinese—and other languages!
Learning
Doing our homework: Checking in on how well we're teaching
Engineering
Improving Duolingo, one experiment at a time
Learning
Who has the best words? A linguistic analysis of the Democratic debates
Research
How machine learning helps Duolingo prioritize course improvements
Learning
How we’ve improved the Duolingo learning experience this year (and a sneak peek toward 2020!)
Learning
Scottish Gaelic: Scotland in full colour
Research
The Duolingo CEFR Checker: An AI tool for adapting learning content
Engineering
How cohorts and correlations help us better understand our learners
Engineering
How we're improving Duolingo's course creation process
Product
Tough it up: Bringing hard mode to Duolingo lessons
Learning