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Can you solve the prisoner hat riddle? - Alex Gendler

View full lesson: http://ed.ted.com/lessons/can-you-sol... Want more? Try the buried treasure riddle:    • Can you solve the buried treasure rid...   You and nine other individuals have been captured by super-intelligent alien overlords. The aliens think humans look quite tasty, but their civilization forbids eating highly logical and cooperative beings. Unfortunately, they’re not sure whether you qualify, so they decide to give you all a test. Can you solve this hat riddle? Alex Gendler shows how. Lesson by Alex Gendler, animation by Artrake Studio.