"Hola, ajedrez" means "Hello, chess" in Spanish. You've always been able to learn Spanish on Duolingo. And you'll be able to learn and practice chess on the language learning app soon. Duolingo ...

Over the last few centuries, behavioral psychologists have documented all kinds of ways of modifying our actions and the actions of various animals. From the famous Skinner boxes to many modern video ...

It was 1997. I was in school and personal computers were just making inroads into our lives. That May, Deep Blue, an IBM computer, beat the world chess champion after a six-game match. As students who ...

For years I’ve been writing articles, speaking to audiences, and coaching individuals about being proactive in leading teams or entire organizations, or planning careers, for that matter. Simple as it ...