These Mindbending Optical Illusions Will Break Your Brain

The Rabbit Duck

Do you notice the rabbit first, or the duck? This image originally appeared in a German humor magazine in 1892, reportedly inspiring some profound philosophical thoughts from Ludwig Wittgenstein.


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The More You Know

  • Chihuahuas have the biggest brains in the canine world.
  • Glitter is so unique it can be used as forensic evidence if matching glitter is found at the crime scene and on the suspect since glitter often goes unnoticed by the suspect.
  • The loudest animal on earth is the sperm whale.
  • A baby can cost new parents 750 hours of sleep.
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