17:45
How we found out evolution is true: John van Wyhe at TEDxNTU
15:36
Quantum Physics for 7 Year Olds | Dominic Walliman | TEDxEastVan
18:39
Stoicism as a philosophy for an ordinary life | Massimo Pigliucci | TEDxAthens
22:14
Crows, smarter than you think | John Marzluff | TEDxRainier
22:43