Babies crawl an average of 200m a day.
212
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
Your fingernails grow faster in summer.
744
Human hair and fingernails continue to grow after death.
7
The human brain is more active during sleep than during the day.
28
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73
Only humans shed emotional tears.
331