- Rain contains vitamin B12.
- The average person has over 1,460 dreams a year.
- A pearl can be dissolved by vinegar.
- Both green and black tea come from leaves of the same tree.
- House cats have 18 claws.
- The opposite of a 'vacuum' is a 'plenum'.
- The average human brain contains around 78% water.
- The ice cream cone was introduced in 1904.
- The average soccer ball is made up of 32 leather panels and held together by 642 stitches.
- The Greek national anthem has 158 verses.
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