One in 500 humans has one blue eye and one brown eye.
145
Studies suggest that people who appear to be constantly distracted have more "working memory" and "sharper brains".
13
Approximately 70,000 people in the U.S. are both blind and deaf!
7
More boys than girls are born during the day; more girls are born at night.
120
More than half the population of Kenya is under the age of 15.
71
Babies crawl an average of 200m a day.
212
Only 2% of the worlds population is blonde.
15