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

Manhole Covers

There's a reason manhole covers are round. It makes it nearly impossible for a person to fall inside of one. Pedestrians almost rarely fall into manholes and it's thanks to this safety-conscious design.

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The More You Know

  • There are snakes with two heads, which compete with each other for food.
  • About 7% of all humans who have ever lived are alive today.
  • Run the sink water until the bowl is about half full. Then pull the stopper and turn on the disposer to flush it out.
  • If your ring gets stuck on your finger Windex will slide it right off.
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