Your thumb is about the same size as your nose.
124
By weight, Bone is five times stronger than steel.
417
The human brain doesn't stop developing until about 25 years old.
102
You forget 90% of your dreams.
256
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
Gorillas can catch human colds and other illnesses.
205
Obsessive nose picking is called Rhinotillexomania.
101