In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
The human brain uses approximately as much energy as a 10 watt light bulb.
120
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
Tigers can see 6 times better at night than humans.
305
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
Enamel is hardest substance in the human body.
61