May 26, 2020 Keeping you at the frontier of learning with adaptive lessons Conor WalshCaitlin LownesCindy Blanco Learning
April 30, 2020 The Duolingo English Test: AI-driven language assessment Burr SettlesGeoffrey T. LaFlair Research
March 31, 2020 Practicing language comprehension – and resilience – with Duolingo Podcasts Laura Macomber Learning
March 19, 2020 Educator and parent guide: Making the most out of staying at home Cindy BlancoVivian Reidler Learning
February 27, 2020 Goldilocks and the CEFR levels: Which proficiency level is just right? Cindy Blanco Learning
January 31, 2020 Doing our homework: Checking in on how well we're teaching Joseph RollinsonXiangying Jiang Learning
December 19, 2019 Who has the best words? A linguistic analysis of the Democratic debates Maggie Hewitt Learning
December 16, 2019 How machine learning helps Duolingo prioritize course improvements Will Monroe Research
December 11, 2019 How we’ve improved the Duolingo learning experience this year (and a sneak peek toward 2020!) Bozena PajakKarin Tsai Learning
September 23, 2019 The Duolingo CEFR Checker: An AI tool for adapting learning content Bill McDowellBurr Settles Research
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
July 31, 2019 Diversity at Duolingo: Why it’s important to us and the progress we’ve made Brittany Mitlo Company
June 26, 2019 What makes Arabic hard (and why that shouldn’t stop you from learning it) Hope Wilson Learning
January 11, 2018 How Duolingo achieved a 50:50 gender ratio for new software engineer hires Jeesoo Sohn Company
October 12, 2017 The United States of Languages: An analysis of Duolingo usage state-by-state Michaela Kron 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
May 18, 2017 How we invented a new way to teach one of the most difficult languages to learn Masato Hagiwara Product
May 10, 2017 How Streaks keep Duolingo learners committed to their language goals Kai Herng Loh Product
January 9, 2017 How do your country, age and gender impact your New Year’s resolutions? Michaela Kron Research
September 13, 2016 Flipping Duolingo: filling a gap in support for right-to-left languages David Andrews Engineering
May 5, 2016 Which countries study which languages, and what can we learn from it? Bozena Pajak Research
March 31, 2016 Which countries are the best at keeping their New Year’s resolutions? Bozena Pajak Research
Learning March 19, 2020 Educator and parent guide: Making the most out of staying at home by Cindy BlancoVivian Reidler Read More
Learning December 11, 2019 How we’ve improved the Duolingo learning experience this year (and a sneak peek toward 2020!) by Bozena PajakKarin Tsai Read More