If the population of China walked past you, in single file, the line would never end because of the rate of reproduction.
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In 2011, there were 3 known cases around the world of twins coming from different fathers.
30
Parents receive 1 out of every 5 Valentines.
20
The can opener was invented 48 years after the can.
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All the chemicals in a human body combined are worth about 6.25 euro (if sold separately).
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