[2026-10-02T09:45:43.725Z] Updated feed with 15 items

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Chess openings: What is the Nimzowitsch-Larsen Attack?

Learn how to use the Nimzowitsch–Larsen Attack to level up your game!

Duolingo Blog 3 months ago

Chess openings: What is Petrov’s Defense?

Learn how to use Petrov’s Defense to level up your game!

Duolingo Blog 3 months ago

Chess openings: What is the London System?

Ready to add a new opening to your arsenal? Check out the London System!

Duolingo Blog 3 months ago

Chess openings: What is Bird’s Opening?

Ready to add a new opening to your arsenal? Check out Bird’s Opening!

Duolingo Blog 3 months ago

Auf dem Weg zum Schachgroßmeister: Erreiche deine Ziele!

Träumst du davon, Großmeister zu werden? So schaffst du es.

Duolingo Blog 3 months ago

How to use definite and indefinite Italian articles

Have you noticed the different Italian forms for “the” and “a”? Here are their rules!

Duolingo Blog 3 months ago

How we built an automated unit test generation pipeline for iOS

We generated 85K lines of iOS tests with minimal manual effort.

Duolingo Blog 3 months ago

Dear Duolingo: Is English a difficult language to learn?

Real talk: Is English the most widely studied language because it’s easy?

Duolingo Blog 3 months ago

How a simple code change reduced CPU usage by 97%

The migration broke production… and revealed a huge optimization opportunity.

Duolingo Blog 3 months ago

Your guide to chess notation

Algebraic notation may look cryptic, but you can learn it in no time!

Duolingo Blog 4 months ago

30+ common German phrases for your trip to Germany

A little bit of German goes a long way 🇩🇪 Use these phrases on your trip to Germany!

Duolingo Blog 4 months ago

Cognates in Spanish and how to learn from them

Cognates are a great tool for boosting your Spanish vocabulary!

Duolingo Blog 4 months ago

How to add a new course on Duolingo

Why limit yourself to just one?

Duolingo Blog 4 months ago

Sticking with it: tips for staying motivated

The hardest part of learning a language is sticking with it. Here’s how!

Duolingo Blog 4 months ago

What is an Elo rating in chess?

Learn how *you* measure up to other chess players!

Duolingo Blog 4 months ago

How I used Duolingo to find my family in Poland

Duolingo and a fumbled sausage reunited these two long-lost families.

Duolingo Blog 4 months ago

What are the most common mistakes French learners make?

These errors might look familiar to you 👀 But pas de problème—here’s what to know!

Duolingo Blog 4 months ago

Dear Duolingo: What is “vosotros” and when do I use it?

Here’s how to use “vosotros” and the story of how it ended up in one country only!

Duolingo Blog 4 months ago

What are the point values of chess pieces?

Learn what chess pieces are worth—and why it’s not that simple.

Duolingo Blog 5 months ago

The ultimate guide to the queen chess piece

Meet the queen: the chess piece that can do it all!

Duolingo Blog 5 months ago

The ultimate guide to the bishop chess piece

Learn what it looks like, how it moves, and what its strengths are.

Duolingo Blog 5 months ago

The ultimate guide to the king chess piece

Learn what it looks like, how it moves, and why it decides the outcome of the game.

Duolingo Blog 5 months ago

Chess piece names, moves, and more: the ultimate guide

Get familiar with pawns, knights, bishops, rooks, the queen, and the king!

Duolingo Blog 5 months ago

The ultimate guide to the knight chess piece

The knight is the trickiest (and sneakiest) piece on the board.

Duolingo Blog 5 months ago

The ultimate guide to the rook chess piece

Learn what it is, how it moves, and how to use it strategically.

Duolingo Blog 5 months ago

The ultimate guide to the pawn chess piece

Learn their moves, what makes them special, and how to use them strategically.

Duolingo Blog 5 months ago

Triage, ship, debug—all from Slack

What happens when you connect an AI to 200+ tools and put it in Slack?

Duolingo Blog 5 months ago

Why you should learn German and how to get started

German ranks among the most studied languages around the world—here’s why!

Duolingo Blog 5 months ago

Why you should learn French and how to get started

Hundreds of millions of speakers can’t be wrong!

Duolingo Blog 5 months ago

Dear Duolingo: Can you learn multiple languages at once?

One language or many? Find the best way to learn for you.

Duolingo Blog 5 months ago

Chess openings: What is the Nimzowitsch-Larsen Attack?

Learn how to use the Nimzowitsch–Larsen Attack to level up your game!

Duolingo Blog 3 months ago

Chess openings: What is Petrov’s Defense?

Learn how to use Petrov’s Defense to level up your game!

Duolingo Blog 3 months ago

Chess openings: What is the London System?

Ready to add a new opening to your arsenal? Check out the London System!

Duolingo Blog 3 months ago

Chess openings: What is Bird’s Opening?

Ready to add a new opening to your arsenal? Check out Bird’s Opening!

Duolingo Blog 3 months ago

Auf dem Weg zum Schachgroßmeister: Erreiche deine Ziele!

Träumst du davon, Großmeister zu werden? So schaffst du es.

Duolingo Blog 3 months ago

How to use definite and indefinite Italian articles

Have you noticed the different Italian forms for “the” and “a”? Here are their rules!

Duolingo Blog 3 months ago

How we built an automated unit test generation pipeline for iOS

We generated 85K lines of iOS tests with minimal manual effort.

Duolingo Blog 3 months ago

Dear Duolingo: Is English a difficult language to learn?

Real talk: Is English the most widely studied language because it’s easy?

Duolingo Blog 3 months ago

How a simple code change reduced CPU usage by 97%

The migration broke production… and revealed a huge optimization opportunity.

Duolingo Blog 3 months ago

Your guide to chess notation

Algebraic notation may look cryptic, but you can learn it in no time!

Duolingo Blog 4 months ago

30+ common German phrases for your trip to Germany

A little bit of German goes a long way 🇩🇪 Use these phrases on your trip to Germany!

Duolingo Blog 4 months ago

Cognates in Spanish and how to learn from them

Cognates are a great tool for boosting your Spanish vocabulary!

Duolingo Blog 4 months ago

How to add a new course on Duolingo

Why limit yourself to just one?

Duolingo Blog 4 months ago

Sticking with it: tips for staying motivated

The hardest part of learning a language is sticking with it. Here’s how!

Duolingo Blog 4 months ago

What is an Elo rating in chess?

Learn how *you* measure up to other chess players!

Duolingo Blog 4 months ago

How I used Duolingo to find my family in Poland

Duolingo and a fumbled sausage reunited these two long-lost families.

Duolingo Blog 4 months ago

What are the most common mistakes French learners make?

These errors might look familiar to you 👀 But pas de problème—here’s what to know!

Duolingo Blog 4 months ago

Dear Duolingo: What is “vosotros” and when do I use it?

Here’s how to use “vosotros” and the story of how it ended up in one country only!

Duolingo Blog 4 months ago

What are the point values of chess pieces?

Learn what chess pieces are worth—and why it’s not that simple.

Duolingo Blog 5 months ago

The ultimate guide to the queen chess piece

Meet the queen: the chess piece that can do it all!

Duolingo Blog 5 months ago

The ultimate guide to the bishop chess piece

Learn what it looks like, how it moves, and what its strengths are.

Duolingo Blog 5 months ago

The ultimate guide to the king chess piece

Learn what it looks like, how it moves, and why it decides the outcome of the game.

Duolingo Blog 5 months ago

Chess piece names, moves, and more: the ultimate guide

Get familiar with pawns, knights, bishops, rooks, the queen, and the king!

Duolingo Blog 5 months ago

The ultimate guide to the knight chess piece

The knight is the trickiest (and sneakiest) piece on the board.

Duolingo Blog 5 months ago

The ultimate guide to the rook chess piece

Learn what it is, how it moves, and how to use it strategically.

Duolingo Blog 5 months ago

The ultimate guide to the pawn chess piece

Learn their moves, what makes them special, and how to use them strategically.

Duolingo Blog 5 months ago

Triage, ship, debug—all from Slack

What happens when you connect an AI to 200+ tools and put it in Slack?

Duolingo Blog 5 months ago

Why you should learn German and how to get started

German ranks among the most studied languages around the world—here’s why!

Duolingo Blog 5 months ago

Why you should learn French and how to get started

Hundreds of millions of speakers can’t be wrong!

Duolingo Blog 5 months ago

Dear Duolingo: Can you learn multiple languages at once?

One language or many? Find the best way to learn for you.

Duolingo Blog 5 months ago