The human brain doesn't stop developing until about 25 years old.
102
Only humans shed emotional tears.
331
On average a woman has 4 sexual partners in her lifetime.
-143
The human sigh acts as a physiological reset button.
23
Enamel is hardest substance in the human body.
61
Our Right Lungs takes more air than our left lung.
194
Obsessive nose picking is called Rhinotillexomania.
101
Tigers can see 6 times better at night than humans.
305