The Most Outrageous U.S. Conspiracy Theories

Humming from the Sky

Some people have tried to say that airplanes are the cause of humming. That theory has not been proven. Others think that it's something extraterrestrial or secret government training. The government has not commented on what the sound was.

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The More You Know

  • In 1966 and 1967, soldiers testing Agent Orange in Canada were told the chemical was completely safe and sprayed it on each other to cool off.
  • Your brain is sometimes more active when you're asleep than when you're awake.
  • For every human on Earth, there are 1.6 million ants.
  • Finland has more saunas than cars.
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