- Hawaii is the only US state that grows cacao beans which go into the production of chocolate.
- The coins thrown into the Trevi fountain in Italy are collected for charity.
- The expression to 'knuckle down' originated from playing marbles (players used to put their knuckles to the ground for their best shots).
- The hyoid bone in your throat is the only bone in your body not attached to any other.
- An arrow frog has enough poison to kill over 2,200 people.
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