Bizarre Mysteries That Remain Unsolved to This Day

Mohenjo Daro

This UNESCO World Heritage Site was once home to an ancient civilization that emerged around 4,500 years ago. Mohenjo Daro was discovered in 1911, and excavations didn't begin for a decade. The city was equipped with advanced drainage systems and grid-style construction, but the fate of its inhabitants remains a mystery.

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The More You Know

  • A baby can cost new parents 750 hours of sleep.
  • Bubble wrap was originally intended to be used as 3D wallpaper.
  • There is a fish with transparent bones and white blood.
  • In 2009, Burger King launched a campaign that if you unfriended 10 friends on Facebook, you were entitled to a free Whopper. The person you unfriended would get a message telling them that their friendship is worth less than a Whopper.
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