Babies crawl an average of 200m a day.
212
Research has determined that most people are happiest at 7:26pm on a Saturday night.
69
Your fingernails grow faster in summer.
744
Fingers prune underwater not because of them absorbing the water or washing away the oil, but because of an evolutionary trait caused by the brain to enhance the grip of your fingers underwater.
24
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11