Believe It Or Not, These Aren't Actually Design Flaws

Blue Bristles on Toothbrushes

Blue bristles on toothbrushes aren't just for the aesthetic. The blue dye actually wears off on the bristles when it's time for you to get a new toothbrush. Since nobody really knows when the right time to change the brush is, it tells you itself!

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The More You Know

  • The wolf's jaw can exert 1500 pounds of pressure per square inch, twice the jaw pressure of a German Shepherd. Wolves can crush large bones in just a few bites.
  • There are snakes with two heads, which compete with each other for food.
  • There are more than 24 time zones around the world.
  • The average person living in Sweden eats about 22 pounds of chocolate a year.
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