12:17

The Problem Newton Got Wrong

9:24

The Game Of Lies

6:31

Proving 7^n-4^n is a multiple of 3 by mathematical induction

42:34

The Obviously True Theorem No One Can Prove

11:30

The Hardest Easy Game

21:09

Supertasks

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The Penny Problem That Breaks Your Brain

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Surviving The Deadliest Game