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.

The More You Know

Your heart beats 100,000 times a day.
The world's most densely populated island is the size of two soccer fields.
Dr. Seuss wrote Green Eggs and Ham as part of a bet.
The odds of getting a royal flush are exactly 1 in 649,740.

Post originally appeared on Upbeat News.