Here are the best free online courses to learn OCaml, a general-purpose, statically-typed programming language that is widely used in academia and research institutions.

Confession: I used to think critical thinking meant being skeptical of everything. Question every headline, every claim, every source. Look beyond the face value. But critical thinking is structured evaluation, and knowing when to accept a good argument is as much a part of it as knowing when to reject a bad one. The people I know who are actually good at this are calmer, not louder. That’s what makes picking a course tricky. Two courses called “critical thinking” can teach almost nothing in c

2U, the online education giant that acquired edX last year, just saw its stock price drop by half.

Learn to identify, recruit, and manage influencers as a marketer, recent graduate, or business owner with these six influencer marketing courses.