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
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
It takes approximately 12 hours for food to entirely digest.
93
A human being loses an average of 40 to 100 strands of hair a day.
133
Research has determined that most people are happiest at 7:26pm on a Saturday night.
69
Humans are capable of running 40 mph according to a study by bio-mechanical expert Dr. Matthew Bundle. Today's fastest man, Usain Bolt, has a top speed of 28 mph.
34
Your fingernails grow faster in summer.
744
Yawns are more contagious among people with closer relationships.
163