- Only pregnant females polar bears hibernate.
- Your feet typically produce a pint of sweat every single day.
- The Eifel Tower has 2,500,000 rivets.
- Heavier, not bigger, lemons produce more juice.
- Domestic cats dislike citrus scents.
- When lightning strikes it can reach up to 30,000 degrees celsius (54,000 degrees fahrenheit).
- A person produces enough saliva to fill 2 average size swimming pools during their lifetime.
- Modern day geometry has made developments in a number of areas, including those that make use of the raw computing power of today's computers.
- The diameter of Earth is 12,756 km (7,926 miles).
- If your DNA was stretched out it would reach to the moon 6,000 times.
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