Ideas worth spreading

27,731,054 views | Chris Anderson (TED) • TED-Ed

Questions no one knows the answers to

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?

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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.

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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.

Read more about TED-Ed.

Meet the educator

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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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