There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
You forget 90% of your dreams.
256
Yawns are more contagious among people with closer relationships.
163
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
In one day, adult lungs move about 10,000 litres of air.
11
If your DNA was stretched out it would reach to the moon 6,000 times.
256
Our brains have a negativity bias and will remember bad memories more than good ones.
15
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92