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11
11
Source: NASA
10
10
Source: Penn State
Once you're out of school, sometimes you need the occasional knowledge shoved in your brain hole. And that's what we at Cracked hoped to do … cram that trivia straight into your fact-starved mind. So here are 13 juicy tidbits of info for your head to digest.
Source: Smithsonian
Source: PopSugar
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