- Wearing headphones for just an hour will increase the bacteria in your ear by 700 times.
- Fresh apples float because they contain 25% air.
- The compass and straight edge were powerful tools in the advancement of geometry, allowing the construction of various lengths, angles and geometric shapes..
- Monopoly is the most played board game in the world.
- Rainbows can only be seen in the morning or late afternoon (the sun needs to be less than 40 above the horizon).
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