Your wounds heal faster if you lick them, you instinctively do this for that reason. Tears help, too.
20
Those who get out of bed by 7am are more likely to be thinner and happier.
20
Men have larger hearts; women's hearts beat faster.
77
If you were to roll a lung from a human body and out flat it would be the size of a tennis court.
36
It has been said that over 350 million people suffer from Facebook Addiction Disorder.
115
Human teeth are almost as hard as rocks!
47
A third of the human population sneezes when they look at the Sun. Light can signal the ocular nerve near the sinuses and triggers a sneeze.
18
Your thumb is about the same size as your nose.
124