Mind-blowing Facts That Literally Nobody Has Heard Before

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When photographs were just beginning to emerge in the 1800s, it was considered improper to show off your big goofy grin. So, camera operators asked participants to say "prunes" in order to pucker their mouths and make them look taut. This predated the duck-lip selfie by roughly 200 years. 

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The More You Know

  • Bloodhounds are great marathoners.
  • A full jumbo jet tank has enough fuel to drive a car around the world four times.
  • Tears contain a natural painkiller, which reduces pain and improves your mood.
  • Surfaces near the equator move much faster than those in other locations on Earth.
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