- The ideal temperature to fall asleep is between 18-30c (64-86f).
- If you could drive your car upwards, you would be in space in less than an hour.
- The Colgate toothpaste company started out making starch, soap, and candles.
- You can tell a turtle's gender by the noise it makes. Males grunt and females hiss.
- Ocean algae produces about 75 percent of the world's oxygen.
- The woodpecker can hammer wood up to 16 times per second.
- There are 132 rooms in the US White House.
- Elephants are capable of swimming 20 miles a day.
- Goats have rectangular pupils in their eyes.
- You burn more calories sleeping than watching TV.
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