The average sperm cell swims at 8 inches per hour.
4
Mushrooms are more closely related to humans than they are to plants.
47
Yawns are more contagious among people with closer relationships.
163
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
In one day, adult lungs move about 10,000 litres of air.
11
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
Due to the angle at which the optic nerve enters the brain, staring at a blue surface during sex greatly increases the intensity of orgasms.
252