Ideas worth spreading

Questions no one knows the answers to

28,336,255 views | Chris Anderson (TED) • TED-Ed

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? And how many universes are there?

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? And how many universes are there?

This video was produced by TED-Ed, TED’s youth and education initiative. TED's editors chose to feature it for you.

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After a long career in journalism and publishing, Chris Anderson became the curator of the TED Conference in 2002 and has developed it as a platform for identifying and disseminating ideas worth spreading.

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TED-Ed Original lessons feature the words and ideas of educators brought to life by professional animators.

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This video was produced by TED-Ed, TED’s youth and education initiative. TED's editors chose to feature it for you.

Read more about TED-Ed.