10:38

Overview of demographics | Society and Culture | MCAT | Khan Academy

11:15

Why are People Moving to Cities? Crash Course Geography #45

9:01

Population dynamics | Society and Culture | MCAT | Khan Academy

6:19

Impacts of Urbanization| AP Environmental science| Khan Academy

4:08

Urbanization and the future of cities - Vance Kite

14:44

Europe’s Controversial Tri-State Megacity

14:36

Einstein's grades 👀

12:55

How to Make Learning as Addictive as Social Media | Duolingo's Luis Von Ahn | TED