The Most Unexplainable Places on Earth

The lights have been appearing since the 1930s. Researchers believe that ionized iron dust causes the lights in the skies, but it's hard to tell. It's basically a form of an aurora borealis, but even more peculiar. 

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The More You Know

  • The world's most toxic mineral is cinnabar.
  • The population of the United States increases by one person every 12 seconds.
  • Earth is not as round as you thought.
  • Penguins spend approximately 75% of their life in the water.
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