Mental Floss

How Did You Know? - {day 5}

David K. Israel
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It's an all-new 5-day trivia hunt,
with an all-new set of puzzles, prizes, and collaborators!

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reddit-alien-usb-flash-drives /


If you're new to our five-day hunt, you can read up on our Rules page here. It's going to take some time to get those final answers in, so it's never too late to start if you're just hitting this hunt today. If you missed Day 1, you can find that here and Day 2 is right here, Day 3 down yonder, and finally, Day 4 is right here. So are you ready for your final challenge? Click on through to get your Hunt On!

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