One human hair can support 3 ounces.
191
Yawns are more contagious among people with closer relationships.
163
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
Chewing gum boosts your brain power.
285
All the chemicals in a human body combined are worth about 6.25 euro (if sold separately).
266
Poor eyesight (myopia) is associated with higher IQ.
232
When you take a step, you are using up to 200 muscles.
886