Babies crawl an average of 200m a day.
212
The human brain is more active during sleep than during the day.
28
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
The human brain doesn't stop developing until about 25 years old.
102
Mushrooms are more closely related to humans than they are to plants.
47
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
Yawns are more contagious among people with closer relationships.
163