Ten Great Ideas: Correlation does not imply causation

Spurious correlations; margarine linked to divorce? Link tylervigen.com/spurious-correlations
"I used to think correlation implied causation" Cartoon from xkcd
Fun website which tries to find some unusual correlations correlated.org

The Simpsons - The Bear Patrol and Lisa's Tiger-Repelling Rock

Youtube. 1 min
Derek Muller uses the scientific method to solve a problem Link Youtube. 5 mins

Correlation and causality from Khan Academy

Youtube. 10 mins