Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
46
All the chemicals in a human body combined are worth about 6.25 euro (if sold separately).
266
When you take a step, you are using up to 200 muscles.
886
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
One human hair can support 3 ounces.
191
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
It takes about 20 seconds for a red blood cell to circle the whole body.
102