Common Myths That Have Been Debunked By Science

Sharks Cannot Smell a Drop of Blood From Miles Away

Although it's not advised to be in shark-infested waters while bleeding, it's not an immediate death sentence. Sharks do have enhanced odor receptors that can sense as little as one part blood to 10,000,000,000 parts water. But, the ocean is much, much bigger than that and it takes a long time for blood molecules to drift far enough in high enough concentration for sharks to react to it. 

Advertisement

Next Page →

The More You Know

  • The stars and flashes of light you see when you rub your eyes are called "phosphenes."
  • Armadillos swallow air to become buoyant when they swim.
  • There are castles for sale in France that cost less than a two-bedroom apartment in Australia.
  • The voices of Mickey and Minnie Mouse got married in real life.
Next Page →