There are two credit cards for every person in the United States.
2
Babies' eyes do not produce tears until the baby is approximately six to eight weeks old.
58
The world's youngest parents were 8 and 9 and lived in China in 1910.
130
Only 10-20% of the population can wiggle their ears and raise one eyebrow.
22
Infants spend more time dreaming than adults do.
102
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
A hard working adult sweats up to 4 gallons per day.
39