Yawns are more contagious among people with closer relationships.
163
Our Right Lungs takes more air than our left lung.
194
One human hair can support 3 ounces.
191
Poor eyesight (myopia) is associated with higher IQ.
232
If you are cold you are more likely to be hungry because you use energy to keep warm.
143
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118