February 21, 2020

Duolingo Stories: The journey to Android

Ming Zhang Product

February 3, 2020

Improving how Duolingo teaches Chinese—and other languages!

Celena Chen Learning

September 19, 2019

How cohorts and correlations help us better understand our learners

Zachary Golan-Strieb Engineering

September 9, 2019

How we're improving Duolingo's course creation process

Margarita Misirpashayeva Engineering

September 4, 2019

Tough it up: Bringing hard mode to Duolingo lessons

Isabel Yap Product

September 14, 2018

Partial credit: Improvements to Duolingo's placement test

Logan Weber Learning

August 10, 2018

How does Duolingo measure learning?

Lavanya Aprameya Learning

September 29, 2017

How I saved Duolingo $40,000/year in my summer internship

Adam Hesterberg Engineering

August 30, 2017

Back from the brink: What Duolingo learned about its resurrected users

Conor Walsh Product

August 16, 2017

Insights from Tinycards to help you achieve flashcard fame

Arianna Benson Product

August 7, 2017

How to travel with Duolingo

Edwin Bodge Product

August 30, 2016

For which courses do students make the most progress?

Marcy Meinert Research