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17 facts that sound fake but are totally true

INSIDER Logo By Lucy Yang of INSIDER | Slide 1 of 18:  There are certain facts that are so staggering or downright strange, they sound completely made up.  Take, for example, the story of Mike the Headless Chicken, who lived without a head for 18 months in the mid-1940s. Or consider the fact that human children don't develop kneecaps until they're around three years old. Reddit user jcvks recently started a thread in which people shared facts that take some time to sink in - facts that seem implausible but are actually true. Below, we rounded up some of the most surprising ones, along with a few interesting nuggets from previously published articles on INSIDER, Business Insider, and elsewhere on the web.

There are certain facts that are so staggering or downright strange, they sound completely made up.

Take, for example, the story of Mike the Headless Chicken, who lived without a head for 18 months in the mid-1940s. Or consider the fact that human children don't develop kneecaps until they're around three years old.

Reddit user jcvks recently started a thread in which people shared facts that take some time to sink in - facts that seem implausible but are actually true. Below, we rounded up some of the most surprising ones, along with a few interesting nuggets from previously published articles on INSIDER, Business Insider, and elsewhere on the web.

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