The history of our world in 18 minutes | David Christian | TED
21:51
Do we see reality as it is? | Donald Hoffman | TED
1:15:28
We can split the atom but not distinguish truth. Our information is failing us | Yuval Noah Harari
14:59
The Next Global Superpower Isn't Who You Think | Ian Bremmer | TED
17:41
The history of our world in 18 minutes - David Christian
1:44:07
Hitler : du vagabond au tyran
28:28
Russell's Paradox - a simple explanation of a profound problem
17:22
Jim Holt: Pourquoi l'univers existe-t-il ?
1:47:39