In the first of a new TED-Ed series designed to catalyze curiosity, TED Curator Chris Anderson shares his boyhood obsession with quirky questions that seem to have no answers. Then he dives into two of the most fascinating questions: How many universes are there? And, why can't we see evidence of alien life?
Educators: Go to the TED-Ed website and click "Explore" or "Dig Deeper" for additional resources. Use the Flip tool to create your own lessons using this video.