Live stream preview
How can you see things when they aren’t really there?
Up Next in Season 1
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S1E22 Up in Arms
How do your arms twist, lift, and pull?
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S1E23 Skeletons in the Closet
What bones can tell us about family history.
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S1E24 Are Birds Dinosaurs?
Are tiny T. rexes raiding your bird feeder?
