One quarter of the human brain is used to control the eyes.
43
About 400 different kinds of microbes live on and in the human body.
-3
Pain travels through your body at 350 ft. per second.
36
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
Your ears secrete more earwax when you are afraid than when you aren't.
229