- Oxygen supply influences the color of a fire's flame.
- An AA battery with no charge remaining will not bounce when dropped.
- The 'black box' that houses an airplanes voice recorder is actually orange so it can be more easily detected amid the debris of a plane crash.
- The world's biggest pyramid is not in Egypt, but in Mexico.
- Giraffes have the same number of vertebrae as humans: 7.
- 44% of people have broken a bone.
- Greeks constructed aesthetically pleasing buildings and artworks based on the golden ratio of approximately 1.618.
- Women make up 49% of the worlds population.
- The US is the world's largest consumer of coffee.
- Most spiders have transparent blood.
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