- Humans shed and regrow outer skin cells every 27 days (almost 1,000 new skins in a lifetime).
- A King Cobra is the biggest of all poisonous snakes and can grow to over 4 metres (13 feet) long.
- American's eat 18 billion hot dogs a year.
- The word 'uncopyrightable' is the is the only 15 letter word that can be spelled without repeating any letter.
- Only female mosquitoes bite.
- An average cumulus cloud weighs more than 70 adult T-Rexes.
- Blue whale tongues can weigh 8,000 pounds, or as much as an elephant, and their hearts weigh close to a ton.
- Swiss mathematician Leonhard Euler was probably the most influential mathematician of the 18th century, making discoveries in graph theory and introducing many modern mathematical words and notations among other things.
- Agoraphobia is the fear of wide open spaces.
- The meaning of 'Blue Chip' comes from blue casino chips which have a high value.
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