No Stupid Questions
No Stupid Questions
Freakonomics Radio + Stitcher
5. What Do Tom Sawyer and the Founder of Duolingo Have in Common?
29 minutes Posted Jan 19, 2025 at 1:00 am.
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Also: is there such a thing as too much science?

Plus, our special guest, Luis von Ahn, an inventor of CAPTCHA and a pioneer of free online language learning. This episode originally aired on June 14, 2020.