DiscoverShort & CurlyDid Carl really see a UFO?
Did Carl really see a UFO?

Did Carl really see a UFO?

Update: 2019-11-251
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Description

Carl is excited because he saw a UFO last night. He can't believe it! (And neither can Molly, but for different reasons). But should we believe Carl and if not, why not? How do we decide if something is true or not? What sort of evidence do we need?
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Did Carl really see a UFO?

Did Carl really see a UFO?