The average person's skin weighs twice as much as their brain.
131
People who sleep late have more mental stamina and can outperform early risers.
33
Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18
Kissing an infection-free partner is good for your teeth!
141
Wearing headphones for an hour increases the bacteria in your ear 700 times.
233
The pupil of the eye expands as much as 45 percent when a person looks at something pleasing.
130
Your body is creating and killing 15 million red blood cells per second.
50
Your tongue is the only muscle in your body that is attached at only one end.
173