- In 1872 Yellowstone in the US was the world's first national park.
- Warthogs can reach speeds of 48km/h (29mph).
- A third of Americans flush the toilet while they're still sitting on it.
- The expression to 'knuckle down' originated from playing marbles (players used to put their knuckles to the ground for their best shots).
- A housefly hums in the key of F.
- One of Snapple's original founders ran a sardine and pickle store in Queens with his family.
- Some bears build nests in trees to sunbathe and rest.
- 22% of people skip lunch daily.
- Your skull is made up of 29 different bones.
- There are over 100 different viruses that cause the common cold.
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