• Electric chair which straps the condemned person is actually invented by a dentist.
  
• Chocolates contain theobromine, that affects the heart and nervous system of dogs when they consume it.
  
• The bullet proof vests was invented by a woman.
  
• Most of the lipsticks contains the scale of fish.
  
• Bacteria in the ear will increase 700 times when you wear headphones for an hour. 

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