Babies crawl an average of 200m a day.
212
Forty percent of Americans have never visited a dentist.
33
One in 500 humans has one blue eye and one brown eye.
145
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
Nearly 10% of American households dress their pets in Halloween costumes.
36
The offspring of two sets of identical twins are legally cousins but genetically siblings.
63
Women who read romance novels have sex twice as often as those who don't.
101
90% of people sit at their computer desk slouching, supporting their head with their left hand.
41