Why slicing a cone gives an ellipse (beautiful proof)
29:42
Why 4d geometry makes me sad
21:05
Why is there no equation for the perimeter of an ellipse‽
27:26
This open problem taught me what topology is
13:15
Trump's Tariff Whiplash Psychodrama | DOGE's Lame Apology | Musk Faces GOP's "Gentle" Fury
11:48
'My jaw is dropped': Canadian official's interview stuns Amanpour
16:58
All possible pythagorean triples, visualized
1:00:49
jazzy but not too jazzy
22:29