The $34.5M price tag for Duolingo’s NextBeat acqui-hire came to light after Class Central dug through its quarterly SEC report.

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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