Most people smile when they are frustrated, according to a study.
15
Babies crawl an average of 200m a day.
212
Every workday, 6.7 million people commute to Manhattan!
26
Identical twins do not have identical fingerprints.
79
Only 10-20% of the population can wiggle their ears and raise one eyebrow.
22
You can only remember 4 things at a time.
31
Americans will spend more on cat food this year than baby food.
32