Your thumb is about the same size as your nose.
124
Chewing gum boosts your brain power.
285
When you take a step, you are using up to 200 muscles.
886
Yawns are more contagious among people with closer relationships.
163
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
Your body is creating and killing about 2.4 million red blood cells per second.
17