Like fingerprints, everyone's tongue print is different!
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During a typical human life span, the human heart will beat approximately 2.5 billion times.
21
A fetus develops fingerprints at eighteen weeks!
32
In Japan, condoms are commonly sold 'door to door'!
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The average person can live for eleven days without water, assuming an average temperature of 60 degrees fahrenheit.
15
Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18
Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
One quarter of the bones in your body are in your feet!
36