The human brain doesn't stop developing until about 25 years old.
102
Obsessive nose picking is called Rhinotillexomania.
101
By weight, Bone is five times stronger than steel.
417
Human hair and fingernails continue to grow after death.
7
A human being loses an average of 40 to 100 strands of hair a day.
133
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
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
A man's beard grows fastest when he anticipates sex.
239