13:25

Introduction to Differential Equations pt2 Dr. Daniel Read

7:08

Sum of the digits of 111111111^2

12:38

Entropy. Dr. Marcelo Miranda

17:59

Why did Hitler hate the Jews? Dr. Geoff Waddington

4:54

Aggvent Calendar Day 30

13:31

Monitoring the Activity of Enzymes pt1 Sue Whittle

9:14

Italy l Very Nice Olympiad Math Algebric Problem

13:05

Um problema muito bom de olimpíada de matemática Resolva todos os valores de x Equação de álgebra