There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
Pain occurs when sounds are above 130 db.
124
The human brain uses approximately as much energy as a 10 watt light bulb.
120
The world's shortest man measures only 21.5 inches.
73
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24