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Where did the high five come from? Who came up with it? And why has it persisted for so long? Plus, what if we could turn the entire Earth into a telescope? One astronomer has drawn up the plans. And, how bad is blue light for you, really?
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See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.
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 By Cool Stuff Ride Home
By Cool Stuff Ride Home4.6
729729 ratings
Where did the high five come from? Who came up with it? And why has it persisted for so long? Plus, what if we could turn the entire Earth into a telescope? One astronomer has drawn up the plans. And, how bad is blue light for you, really?
Sponsor:
Links:
See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.
Learn more about your ad choices. Visit megaphone.fm/adchoices
Learn more about your ad choices. Visit megaphone.fm/adchoices

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