Harvard’s intro to computer science was just updated! Here’s what’s new and how to earn a free certificate.

Here are the best online courses and resources to learn Lisp and its most popular dialects: Common Lisp, Scheme, Racket, and Emacs Lisp.

The future of Coursera’s only credible alternative for universities rests in the hands of 2U’s creditors.

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