- Greeks constructed aesthetically pleasing buildings and artworks based on the golden ratio of approximately 1.618..
- Diamonds are the hardest natural substance.
- 12 + 3 - 4 + 5 + 67 + 8 + 9 = 100.
- Lions in the wild usually makes no more than 20 kills a year.
- Coffee is grown commercially in over 45 countries around the world.
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