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
Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
346
The human body contains over a billion miles of DNA.
147
The human brain is more active during sleep than during the day.
28
Mushrooms are more closely related to humans than they are to plants.
47
Enamel is hardest substance in the human body.
61
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
Your fingernails grow faster in summer.
744