The hardest problem on the hardest test
27:26
This open problem taught me what topology is
16:03
The unexpectedly hard windmill question (2011 IMO, Q2)
18:25
The SAT Question Everyone Got Wrong
17:08
Why is pi here? And why is it squared? A geometric answer to the Basel problem
22:59
Le paradoxe du dôme : une faille dans les lois de Newton
18:39
Cette équation va changer la façon dont vous voyez le monde
15:08
What does it feel like to invent math?
13:17