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
The average single man is one inch shorter than the average married man.
88
Only 10-20% of the population can wiggle their ears and raise one eyebrow.
22
Babies cry but they don't produce tears until one to three months after birth.
238
The average person falls asleep in seven minutes.
115