I visited the world's hardest math class
17:14
the 5 hardest exams in the world
15:54
WHO'S SMARTER? | College Dropouts vs Harvard Students
12:39
how to cure brain rot
12:02
mistakes to AVOID in college
14:03
Animation vs. Math
22:09
The Simplest Math Problem No One Can Solve - Collatz Conjecture
11:52
Can the Smartest Man in Japan Get a Perfect SAT Score?
13:22