Your spit has a painkiller 6 times stronger than morphine. It contains a substance called opiorphin that is stronger than morphine.
39
Crushed cockroaches can be applied to a stinging wound to help relieve the pain.
31
It is almost impossible to sneeze with your eyes open. It is a defense mechanism that has evolved to protect our eyes from bacteria and debris.
164
People who sleep late have more mental stamina and can outperform early risers.
33
One out of 20 people have an extra rib.
66
Kissing an infection-free partner is good for your teeth!
141
While 7 men in 100 have some form of color blindness, only 1 woman in 1,000 suffers from it.
50
Human thigh bones are stronger than concrete!
63