Coins usually survive in circulation for about 30 years.
66
2% of Europeans lack the genes for smelly armpits.
6
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
Scientists have developed a 'hangover-free' beer that has electrolytes, making it more hydrating and refreshing.
4
It would take more than 150 years to drive a car to the sun.
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