Duolingo Blog
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Read about how Duolingo works, and how our learning scientists are working to make education fun and accessible to everyone.
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Dear Duolingo: Why is it so hard to explain the rules of your own language?
Knowing English isn’t the same as being able to teach it. Here’s why!
The history of women in chess—from exclusion to Grandmasters
Discover the powerful women who’ve changed the game—on and off the chess board.
8 common Japanese loanwords and their history
Why does Japanese have so many loanwords from different languages?
15 movies to watch if you’re learning English
Grow your English skills from the comfort of your couch.
Dear Duolingo: How can I learn a language as a hearing aid user?
On or off the app, these tips will help you reach your language goals!
Our new Video Call with Falstaff is here to help you speak with confidence
Speaking a new language is hard—but it doesn’t have to be!
6 fatos memoráveis na história do xadrez
Xadrez é coisa séria… até alguém chegar com iogurte saborizado.
Dear Duolingo: How do I support someone who’s learning a language?
Language learning is hard. Here’s how to support learners without adding pressure.
Explain My Answer is now free for all learners!
Smarter feedback = stronger language skills.
Your guide to inversion in French questions
Don’t get it twisted—leave that to the verbs in French questions!
Dear Duolingo: When did languages come up with standardized spelling?
Did your ancestors have to learn spelling rules? Well, it’s complicated…
Solving database contention with optimistic locking
Here’s how we used *optimism* to fix our notifications service and save computing costs.
The 2025 Duolingo Social Impact report
Learn how we increase access to education with real impact for families in our communities.
Automating Golden Path upgrades at scale: a journey from manual upgrades to an AI-powered workflow
What happens when you give an AI agent a pile of build errors and a dream?
7 ways you can switch up your practice in the app right now
Duolingo learners have lots of study options! Here are 7 ways you can learn today.
Is it Hanukkah or Chanukah? The language behind the Festival of Lights
Add these language facts to your Hanukkah celebration!
Agentic workflows: Scale AI prompts beyond cursor—no code required
We’ve made it easy for Duos to create and share agentic workflows without custom code.
2025 Duolingo Highlights: our biggest leaps in learning, play, and connection
Big leaps in learning—from chessboards to languages, music, social fun, and the new Duolingo Score
How to toast the new year in 20 languages
Impress friends and family by welcoming the new year in a whopping 20 languages!
Dear Duolingo: What’s the least spoken language in the world?
Thousands of languages are fading fast. Here’s why it matters.
Building an AI agent to remove feature flags
Developing the agent was quick, easy, and immediately successful.
3 ways to form questions in French
Are you ready to ask questions in French? With this guide, the answer is *oui*!
What’s the best way to learn with Duolingo?
Ready to level up your learning? Here’s how Duolingo can help!
2025 Duolingo Language Report
There were big changes in the top languages of 2025! Were you part of the movement?
How 5 companies turn language learning into connection and growth
Language opens doors and helps teams understand one another in new ways!
Dear Duolingo: What’s the difference between a dialect and an accent?
Accents and dialects include everyone! Learn more about what each really means.
How to order food in Italian in Italy
Don't miss out on the most delicious way to use your Italian—to order food in Italy!
Celebrate the learner you love with these gifts
Because someone’s streak deserves to be celebrated offline, too.
Strengthen your memory with new Duolingo Flashcards
Say it, don’t just see it—Duolingo Flashcards help you remember words better.
Dear Duolingo: Do all languages have slang?
The secret life of slang—why it exists, where it comes from, and why it matters.
Dear Duolingo: Why is it so hard to explain the rules of your own language?
Knowing English isn’t the same as being able to teach it. Here’s why!
The history of women in chess—from exclusion to Grandmasters
Discover the powerful women who’ve changed the game—on and off the chess board.
8 common Japanese loanwords and their history
Why does Japanese have so many loanwords from different languages?
15 movies to watch if you’re learning English
Grow your English skills from the comfort of your couch.
Dear Duolingo: How can I learn a language as a hearing aid user?
On or off the app, these tips will help you reach your language goals!
Our new Video Call with Falstaff is here to help you speak with confidence
Speaking a new language is hard—but it doesn’t have to be!
6 fatos memoráveis na história do xadrez
Xadrez é coisa séria… até alguém chegar com iogurte saborizado.
Dear Duolingo: How do I support someone who’s learning a language?
Language learning is hard. Here’s how to support learners without adding pressure.
Explain My Answer is now free for all learners!
Smarter feedback = stronger language skills.
Your guide to inversion in French questions
Don’t get it twisted—leave that to the verbs in French questions!
Dear Duolingo: When did languages come up with standardized spelling?
Did your ancestors have to learn spelling rules? Well, it’s complicated…
Solving database contention with optimistic locking
Here’s how we used *optimism* to fix our notifications service and save computing costs.
The 2025 Duolingo Social Impact report
Learn how we increase access to education with real impact for families in our communities.
Automating Golden Path upgrades at scale: a journey from manual upgrades to an AI-powered workflow
What happens when you give an AI agent a pile of build errors and a dream?
7 ways you can switch up your practice in the app right now
Duolingo learners have lots of study options! Here are 7 ways you can learn today.
Is it Hanukkah or Chanukah? The language behind the Festival of Lights
Add these language facts to your Hanukkah celebration!
Agentic workflows: Scale AI prompts beyond cursor—no code required
We’ve made it easy for Duos to create and share agentic workflows without custom code.
2025 Duolingo Highlights: our biggest leaps in learning, play, and connection
Big leaps in learning—from chessboards to languages, music, social fun, and the new Duolingo Score
How to toast the new year in 20 languages
Impress friends and family by welcoming the new year in a whopping 20 languages!
Dear Duolingo: What’s the least spoken language in the world?
Thousands of languages are fading fast. Here’s why it matters.
Building an AI agent to remove feature flags
Developing the agent was quick, easy, and immediately successful.
3 ways to form questions in French
Are you ready to ask questions in French? With this guide, the answer is *oui*!
What’s the best way to learn with Duolingo?
Ready to level up your learning? Here’s how Duolingo can help!
2025 Duolingo Language Report
There were big changes in the top languages of 2025! Were you part of the movement?
How 5 companies turn language learning into connection and growth
Language opens doors and helps teams understand one another in new ways!
Dear Duolingo: What’s the difference between a dialect and an accent?
Accents and dialects include everyone! Learn more about what each really means.
How to order food in Italian in Italy
Don't miss out on the most delicious way to use your Italian—to order food in Italy!
Celebrate the learner you love with these gifts
Because someone’s streak deserves to be celebrated offline, too.
Strengthen your memory with new Duolingo Flashcards
Say it, don’t just see it—Duolingo Flashcards help you remember words better.
Dear Duolingo: Do all languages have slang?
The secret life of slang—why it exists, where it comes from, and why it matters.
Dear Duolingo: Why is it so hard to explain the rules of your own language?
Knowing English isn’t the same as being able to teach it. Here’s why!
The history of women in chess—from exclusion to Grandmasters
Discover the powerful women who’ve changed the game—on and off the chess board.
8 common Japanese loanwords and their history
Why does Japanese have so many loanwords from different languages?
15 movies to watch if you’re learning English
Grow your English skills from the comfort of your couch.
Dear Duolingo: How can I learn a language as a hearing aid user?
On or off the app, these tips will help you reach your language goals!
Our new Video Call with Falstaff is here to help you speak with confidence
Speaking a new language is hard—but it doesn’t have to be!
6 fatos memoráveis na história do xadrez
Xadrez é coisa séria… até alguém chegar com iogurte saborizado.
Dear Duolingo: How do I support someone who’s learning a language?
Language learning is hard. Here’s how to support learners without adding pressure.
Explain My Answer is now free for all learners!
Smarter feedback = stronger language skills.
Your guide to inversion in French questions
Don’t get it twisted—leave that to the verbs in French questions!
Dear Duolingo: When did languages come up with standardized spelling?
Did your ancestors have to learn spelling rules? Well, it’s complicated…
Solving database contention with optimistic locking
Here’s how we used *optimism* to fix our notifications service and save computing costs.
The 2025 Duolingo Social Impact report
Learn how we increase access to education with real impact for families in our communities.
Automating Golden Path upgrades at scale: a journey from manual upgrades to an AI-powered workflow
What happens when you give an AI agent a pile of build errors and a dream?
7 ways you can switch up your practice in the app right now
Duolingo learners have lots of study options! Here are 7 ways you can learn today.
Is it Hanukkah or Chanukah? The language behind the Festival of Lights
Add these language facts to your Hanukkah celebration!
Agentic workflows: Scale AI prompts beyond cursor—no code required
We’ve made it easy for Duos to create and share agentic workflows without custom code.
2025 Duolingo Highlights: our biggest leaps in learning, play, and connection
Big leaps in learning—from chessboards to languages, music, social fun, and the new Duolingo Score
How to toast the new year in 20 languages
Impress friends and family by welcoming the new year in a whopping 20 languages!
Dear Duolingo: What’s the least spoken language in the world?
Thousands of languages are fading fast. Here’s why it matters.
Building an AI agent to remove feature flags
Developing the agent was quick, easy, and immediately successful.
3 ways to form questions in French
Are you ready to ask questions in French? With this guide, the answer is *oui*!
What’s the best way to learn with Duolingo?
Ready to level up your learning? Here’s how Duolingo can help!
2025 Duolingo Language Report
There were big changes in the top languages of 2025! Were you part of the movement?
How 5 companies turn language learning into connection and growth
Language opens doors and helps teams understand one another in new ways!
Dear Duolingo: What’s the difference between a dialect and an accent?
Accents and dialects include everyone! Learn more about what each really means.
How to order food in Italian in Italy
Don't miss out on the most delicious way to use your Italian—to order food in Italy!
Celebrate the learner you love with these gifts
Because someone’s streak deserves to be celebrated offline, too.
Strengthen your memory with new Duolingo Flashcards
Say it, don’t just see it—Duolingo Flashcards help you remember words better.
Dear Duolingo: Do all languages have slang?
The secret life of slang—why it exists, where it comes from, and why it matters.