Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Your spit has a painkiller 6 times stronger than morphine. It contains a substance called opiorphin that is stronger than morphine.
39
American school children rank 25th in math and 21st in science out of the top 30 developed countries, but ranked 1st in confidence that they outperformed everyone else.
7
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
We forget why we have entered a room because passing through doors creates an ‘event boundary’ causing the brain to file away what we were just thinking about.
26
Dolly Dimples, a 555 lbs. woman, lost 443 lbs in one year by eating nothing but baby food.
16
The human brain doesn't stop developing until about 25 years old.
102