Fascinating Inventions You Never Knew Existed

No Pedaling

Get even more of a workout with this no-pedaling bike! You can use your feet to push yourself forward and use your body weight to propel yourself quicker. It looks a little ridiculous, but it's probably worth it.

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The More You Know

  • The designer of the current United States flag was 17 at the time, and created it for a high school project. He received a B-.
  • There's only one country in the world that doesn't use the metric system.
  • Tears contain a natural painkiller, which reduces pain and improves your mood.
  • Danny Devito used to work as a hairdresser. For corpses.
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Post originally appeared on Upbeat News.