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Questions no one knows the answers to

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Title:
Questions no one knows the answers to
Speaker:
Chris Anderson (TED)
Description:

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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Video Language:
English
Team:
closed TED
Project:
TED-Ed
Duration:
12:08

Thai subtitles

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