The history of our world in 18 minutes | David Christian | TED
17:22
Jim Holt: Por que o universo existe?
14:59
The Next Global Superpower Isn't Who You Think | Ian Bremmer | TED
1:06:21
O PODER DAS PALAVRAS: Diga Isso POR 3 DIAS e Veja o que Acontece | Estoicismo
19:06
Go with your gut feeling | Magnus Walker | TEDxUCLA
17:41
The history of our world in 18 minutes - David Christian
17:49
Everything is Connected -- Here's How: | Tom Chi | TEDxTaipei
28:28
Russell's Paradox - a simple explanation of a profound problem
11:57