Every human spent about half an hour as a single cell.
144
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
Babies crawl an average of 200m a day.
212
Yawns are more contagious among people with closer relationships.
163
Babies' eyes do not produce tears until the baby is approximately six to eight weeks old.
58
According to some estimates, Americans are sitting on $30 billion worth of unredeemed gift cards.
223
The world's youngest parents were 8 and 9 and lived in China in 1910.
130
Women who are romance novel readers are reported to make love 74% more often with their partners than women who do not read romance novels.
136