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

An overview of CS50P, Harvard’s Introduction to Python, and your path to a free certificate .

Discover AI’s full spectrum—from Prompt Engineering to Business Strategies, with courses by Microsoft, Google, Harvard, MIT and Michigan

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

Both Coursera and Udemy started 2025 with new CEOs. Greg Hart took over at Coursera in February. Hugo Sarrazin started at Udemy in March. Less than a month into the job, both CEOs were in conversations to sell their companies. On April 8, Hart and Sarrazin met for the first time at ASU+GSV. The rest, as they say, is history. In my 5,000-word analysis of Coursera’s acquisition of Udemy, I called the deal rushed. Two new CEOs, both less than a year into the job, merging two public companies. I w

A deep dive into Maya’s world: Elevate your skills from elementary modeling and texturing to sophisticated visual effects with the best courses of the year.