In a new TED-Ed series designed to catalyze curiosity, TED Curator Chris Anderson shares his obsession with questions that no one (yet) knows the answers to. A short intro leads into two questions: Why can't we see evidence of alien life? on.ted.com/AlienLife and How many universes are there? on.ted.com/HowMany ...
Conferencia TED : http://www.ted.com/talks/questions_no...
