My TEDx talk:

http://www.youtube.com/watch?v=cCxuAC4pTes&hd=1

My Campus Party talk:

http://www.youtube.com/watch?v=hiaNSLTcQgM

Caos y Ciencia (Spanish):

http://www.caosyciencia.com/entrevistas/entrevistas.php?id=19