Mental Floss

How Did You Know? - {day 3}

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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Josh Halbur is back in the house, the brilliant mind behind many of this month's puzzles. And we'll have some guest videos from some very special HDYK folk throughout the week, as well.

If you're new to our five-day hunt, you can read up on our Rules page here. If you missed Day 1, you can find that here and Day 2 is right here. You'll also want to check out last month's hunt and read up on our defending champions Dawn Lester and Patrick Mooney. Ready to get your Hunt on? Click on through.

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