Olympiad level counting (Generating functions)
22:11
But what is the Riemann zeta function? Visualizing analytic continuation
21:58
Group theory, abstraction, and the 196,883-dimensional monster
24:46
Why π is in the normal distribution (beyond integral tricks)
40:06
A tale of two problem solvers (Average cube shadows)
12:52
Why slicing a cone gives an ellipse (beautiful proof)
21:52
Counting with Calculus: The Magic of Generating Functions
30:42
Pi hiding in prime regularities
26:06