Bizarre Mysteries That Remain Unsolved to This Day

Wow! Signal

In 1977, astronomer Jerry Ehman used a radio signal detector to scan the stars around the constellation Sagittarius. Ehman picked up a 72-second radio frequency that appeared to be coming from deep space. He wrote "Wow!" in the margin of his computer printout, leading the bizarre sound—which is theorized to be aliens attempting contact—to be dubbed the Wow! Signal.

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The More You Know

  • Wilt Chamberlain is in the Volleyball Hall of Fame.
  • Danny Devito used to work as a hairdresser. For corpses.
  • In 1945, Dwight D. Eisenhower predicted that people would try to dispel the holocaust as a falsehood, and ordered all possible photographs taken of the Nazi crimes to hinder any such attempts.
  • Dr. Seuss wrote Green Eggs and Ham as part of a bet.
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