The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
Mushrooms are more closely related to humans than they are to plants.
47
Babies crawl an average of 200m a day.
212
The human brain is more active during sleep than during the day.
28
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
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
Every human spent about half an hour as a single cell.
144
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