- In 1900 the average life span in the US was 47.
- Your skin is the largest organ making up the human body.
- Everyday is a holiday somewhere in the world.
- Chalk is made from tiny plankton fossils.
- The average human drinks over 60,566 litres (16,000 gallons) of water in a lifetime.
- The oldest exposed surface on Earth is New Zealand's south island.
- Children grow faster during springtime.
- The dollar values on the board game Monopoly have been the same since 1935.
- Birds can sleep with one eye open.
- Powerful earthquakes can make the Earth spin faster.
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