# Spanish

**[What’s the International Phonetic Alphabet, and how do I use it?](https://blog.duolingo.com/how-is-the-international-phonetic-alphabet-used/)**  
Jul 23  
[Ari Moline, Ph.D.](https://blog.duolingo.com/author/emily/)

**[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/)

**[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/)

**[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/)

**[Go further with Duolingo: Our top courses now teach advanced content](https://blog.duolingo.com/courses-teach-advanced-content/)**  
Apr 22  
[Duolingo Team](https://blog.duolingo.com/author/duolingo/)

**[Dear Duolingo: How do I memorize the gender of every noun in my language?](https://blog.duolingo.com/learning-grammatical-gender-rules/)**  
Mar 31  
[Cindy Blanco, Ph.D.](https://blog.duolingo.com/author/cindy/)

**[How tongue twisters can help you learn a language](https://blog.duolingo.com/tongue-twisters-language-learning/)**  
Mar 26  
[Dune Dills](https://blog.duolingo.com/author/dune/)

**[Dear Duolingo: How did the days of the week get their names?](https://blog.duolingo.com/days-of-the-week-names/)**  
Mar 17  
[Stefanie Schantl, M.A.](https://blog.duolingo.com/author/stefanie/)

**[Dear Duolingo: Why do some languages have gender?](https://blog.duolingo.com/what-is-grammatical-gender/)**  
Mar 3  
[Cindy Blanco, Ph.D.](https://blog.duolingo.com/author/cindy/)