The world's shortest man measures only 21.5 inches.
73
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
The human sigh acts as a physiological reset button.
23
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
Human hair and fingernails continue to grow after death.
7
Your heart will pump about 212 million liters in its lifetime.
26