The human sigh acts as a physiological reset button.
23
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.
35
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
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
All 13 minerals necessary for human life can be found in alcohol beverages.
282
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
32
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
Tigers can see 6 times better at night than humans.
305