Lesson 7: Puzzles to Exercise the Mind
42:58
Lesson 6: Puzzles to Exercise the Mind
41:17
Lesson 1: Puzzles to Exercise the Mind
2:02:22
Mozart - Música Clássica para Estimular o Cérebro
32:27
Lesson 5: Surfaces - More Invariants
33:45
Por Que Era Quase Impossível Criar o LED Azul
11:54
This new type of logic puzzle is wildly fun
23:26
Lesson 1: Topology Overview
31:33