The largest cell in the human body is the female egg and the smallest is the male sperm.
682
Pain occurs when sounds are above 130 db.
123
The human brain has the capacity to store everything that you experience.
4k
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
The human brain is more active during sleep than during the day.
28
Yawns are more contagious among people with closer relationships.
163
Your thumb is about the same size as your nose.
124