- Once a women reachs the age of 30 they lose 1% of their bone mass every year thereafter (by the time a women is 50 she will have lost 20%).
- A fire will burn faster moving uphill than downhill.
- You can tell a turtle's gender by the noise it makes. Males grunt and females hiss.
- Greeks constructed aesthetically pleasing buildings and artworks based on the golden ratio of approximately 1.618.
- The air signs are Gemini, Libra, and Aquarius.
- Aichmophobia is the fear of needles and pointed objects.
- 2 out of 5 people marry their first love.
- More than 75% of all countries are north of the equator.
- Your skull is made up of 29 different bones.
- The yoke of an Ostrich egg is the largest cell in the world.
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