- Hawaii is the only state with one school district.
- Tug-of-war was an Olympic sport in the early 1900s.
- American Black bears are not just black but include bears of varying colors including blonde, cinnamon, brown, white and even silver-blue.
- Sea otters hold each other's paws while sleeping so they don't drift apart.
- Oysters can change from one gender to another and back again.
- There are no rivers in Saudi Arabia.
- Humans can encourage precipitation with cloud seeding.
- Household dust is made of dead skin cells.
- The average raindrop weighs less than an eyelash.
- Police dogs are trained to respond to commands in foreign languages (usually German or Hungarian).
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