Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
Chewing gum boosts your brain power.
285
One human hair can support 3 ounces.
191
Yawns are more contagious among people with closer relationships.
163
The average person's skin weighs twice as much as their brain.
131