Perfect Graphs - Numberphile
16:24
Planar Graphs - Numberphile
12:36
Amazing Graphs - Numberphile
24:57
A Breakthrough in Graph Theory - Numberphile
19:01
A New Discovery about Dodecahedrons - Numberphile
6:42
Eating Curves for Breakfast - Numberphile
15:28
Where Does River Water Go? - Numberphile
14:18
The Four Color Map Theorem - Numberphile
8:40