You Won't See This Coming
4:50
This Problem is Smooth like Butter
8:13
This Problem will Fool You
3:39
This Just Can't Be Real
19:14
The strange cousin of the complex numbers -- the dual numbers.
8:07
Don't Know (the Van Eck Sequence) - Numberphile
4:29
This Will Be Your Favorite Integral
4:06
I Found Out How to Differentiate Factorials!
18:25