the why of the determinant formula
18:50
Cauchy's Theorem in group theory
15:41
probably a Putnam probability problem
20:37
Integrate x^-x dx
28:33
Terence Tao on how we measure the cosmos | Distance ladder part 1
31:10
the geometry of the third derivative
17:13
Une percée dans le domaine du carré magique - Numberphile
9:55
Is x^x=0 solvable?
19:07