Here Are All of the US Presidents Ranked By Their IQ

Big Head, Big Brain

John Quincy Adams had a notoriously large head, most likely so it could hold his high 175 IQ. That's the highest IQ of any president that has ever lived. John Quincy Adams was a lawyer before and after his presidency, and he helped create the legal systems that we still use to this day. 

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The More You Know

  • In one month, the average person consumes about a Lego brick’s worth of microplastic.
  • Elephants comfort each other with chirps.
  • The shortest scientific –ology word is "oology."
  • It's a tradition in Ireland that if you donated a pint of blood, they give you a pint of Guinness to replace the iron.
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