For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
Yawns are more contagious among people with closer relationships.
163
If you are cold you are more likely to be hungry because you use energy to keep warm.
143
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
Your thumb is about the same size as your nose.
124
When you take a step, you are using up to 200 muscles.
886
The human brain has the capacity to store everything that you experience.
4k
The average person's skin weighs twice as much as their brain.
131