The human brain uses approximately as much energy as a 10 watt light bulb.
120
Tigers can see 6 times better at night than humans.
305
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
The average sperm cell swims at 8 inches per hour.
4
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
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
The human sigh acts as a physiological reset button.
23
The human body contains over a billion miles of DNA.
147