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
Yawns are more contagious among people with closer relationships.
163
According to the American Society for Microbiology, 90% of women and 75% of men wash their hands after using a public restroom.
170
Men laugh longer, louder, and more often than women.
61
The single biggest predictor of love is proximity.
30