On an evening when I felt particularly irritated with someone, I opened my laptop and scrolled through my feed. I saw a video about toxic friends. I watched. Everything that it said seemed to match, ...

Algebra often involves manipulating numbers or other objects using operations like addition and multiplication. Flavio Coelho/Moment via Getty Images You scrambled up a Rubik’s cube, and now you want ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Surprise: You can answer this question with modern algebra. Most folks who have been ...