# Articles

**[11 chess terms every beginner needs to know](https://blog.duolingo.com/beginner-chess-terms/)**  
Jul 16 | [Katherine Wise](https://blog.duolingo.com/author/katherine/)

**[When to use “tú” and “usted” in Spanish](https://blog.duolingo.com/tu-vs-usted/)**  
Jul 9 | [Olivia Thayer, M.A.](https://blog.duolingo.com/author/olivia/)

**[How to use definite and indefinite Italian articles](https://blog.duolingo.com/definite-and-indefinite-italian-articles/)**  
Jun 25 | [Adriano Trovato, Ph.D.](https://blog.duolingo.com/author/adriano/)

**[Dear Duolingo: Is English a difficult language to learn?](https://blog.duolingo.com/is-english-difficult/)**  
Jun 23 | [Stefanie Schantl, M.A.](https://blog.duolingo.com/author/stefanie/)

**[30+ common German phrases for your trip to Germany](https://blog.duolingo.com/german-phrases-for-travel/)**  
Jun 16 | [Duolingo Team](https://blog.duolingo.com/author/duolingo/)

**[Cognates in Spanish and how to learn from them](https://blog.duolingo.com/cognates-in-spanish/)**  
Jun 11 | [Valeria Carrillo, Ed.D.](https://blog.duolingo.com/author/valeria/)

**[What are the most common mistakes French learners make?](https://blog.duolingo.com/mistakes-in-french-for-learners/)**  
May 28 | [Cindy Blanco, Ph.D.](https://blog.duolingo.com/author/cindy/)

**[Dear Duolingo: What is “vosotros” and when do I use it?](https://blog.duolingo.com/what-is-spanish-vosotros/)**  
May 26 | [Cindy Blanco, Ph.D.](https://blog.duolingo.com/author/cindy/)

**[Why you should learn German and how to get started](https://blog.duolingo.com/why-learn-german-language/)**  
May 19 | [Duolingo Team](https://blog.duolingo.com/author/duolingo/)