The Strangest Natural and Man-Made Items that Actually Exist

Red Streetlights

These streetlights don't just make the street look eerier, they also serve a serious purpose. Normal colored streetlights scare bats, but red streetlights help them maintain healthy predatorial relationships with urban areas. 

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The More You Know

  • Crayola is literally "oily chalk."
  • The Netherlands has the tallest population.
  • The Canary Islands are named after dogs, not birds.
  • Researchers have found that swearing when in pain may release pain-killing endorphins.
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