The key to happiness is spending your money on experiences rather than possessions, according to studies.
21
If left alone, 70% of birthmarks gradually fade away.
193
97% of all paper money in the US contains traces of cocaine.
93
Coins usually survive in circulation for about 30 years.
66
There are more nerve cells in the human brain than there are stars in the Milky Way.
349
The yin-yang pattern's earliest use is in Rome - not China!
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