A hard working adult sweats up to 4 gallons per day.
39
Muhammad is the most common name in the world.
96
Every three seconds, a new baby is born.
122
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
A chance of a woman having twins is increased after the age of 35. About 1 in 27 women will give birth to twins after this age. After 50 the chances of having twins is 1 in 9.
51
Only 2% of the Earth's population are natural redheads.
13
Babies' eyes do not produce tears until the baby is approximately six to eight weeks old.
58
