According to a 1950s survey, 75% of men ejaculate within two minutes of penetration.
109
Human teeth are almost as hard as rocks!
47
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
There are more bacteria in your mouth than there are people in the world.
60
Wearing headphones for an hour increases the bacteria in your ear 700 times.
233
People who sleep late have more mental stamina and can outperform early risers.
33
Your spit has a painkiller 6 times stronger than morphine. It contains a substance called opiorphin that is stronger than morphine.
39
Your wounds heal faster if you lick them, you instinctively do this for that reason. Tears help, too.
20