- Sea water is approximately 3.5% salt.
- There are 2 credit cards for every person in the US.
- Roosters can't crow if they can't fully extend their necks.
- The summer solstice marks the first day of summer and the longest day of the year.
- Your foot is the most common body part bitten by insects.
- An area of the Suns surface to the equivalent of a postage stamp would shine with the brightness of over 1,500,000 candles.
- The most common time for a wake up call is 7am.
- It takes 17 muscles to smile and 43 to frown.
- Forty percent of twins invent their own language.
- The average human drinks over 60,566 litres (16,000 gallons) of water in a lifetime.
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