One human hair can support 3 ounces.
191
Yawns are more contagious among people with closer relationships.
163
Poor eyesight (myopia) is associated with higher IQ.
232
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
The human brain has the capacity to store everything that you experience.
4k
Enamel is hardest substance in the human body.
61
Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18