- Before 1863 the postal service in the US was free.
- The Arctic Ocean is the smallest in the world.
- 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%).
- 1 gigayear = 1,000,000,000,000 years.
- India has over 50 million monkeys.
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