Yawns are more contagious among people with closer relationships.
163
Every human spent about half an hour as a single cell.
144
Every workday, 6.7 million people commute to Manhattan!
26
The average single man is one inch shorter than the average married man.
88
Americans did not commonly use forks until after the Civil War.
82
The average bra size today is 36C. Ten years ago it was 34B.
266
