- The Taj Mahal in India is made entirely out of marble.
- When hydrogen burns in the air water is formed.
- The night vision of tigers is 6 times better than humans.
- The sentence "the quick brown fox jumps over the lazy dog" uses every letter in the English alphabet.
- 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%).
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