The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
In 1996, research found that having excessive body hair is linked to higher intelligence.
23
The human brain doesn't stop developing until about 25 years old.
102
You see your nose at all times, your brain just chooses to ignore it.
30
The human brain uses approximately as much energy as a 10 watt light bulb.
120
There's 100 trillion good bacteria living in your body.
17
In one day, adult lungs move about 10,000 litres of air.
11
One human hair can support 3 ounces.
191