This quick TED talk entry is courtesy of TED.com. 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 …  Find more TED-Ed videos on our new YouTube channel: youtube.com/TEDEd.