10:13

Squared Squares - Numberphile

19:01

A New Discovery about Dodecahedrons - Numberphile

26:51

New divisibility rule! (30,000 of them)

33:25

The Korean king's magic square: a brilliant algorithm in a k-drama (plus geomagic squares)

21:23

Euler's Formula - Numberphile

24:57

A Breakthrough in Graph Theory - Numberphile

11:22

The Problem with 7825 - Numberphile

34:06

Matt Parker Reacts to Magic Squares of Squares - Numberphile