One human hair can support 3 ounces.
191
Our Right Lungs takes more air than our left lung.
194
Chewing gum boosts your brain power.
285
Yawns are more contagious among people with closer relationships.
163
Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18
Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
Enamel is hardest substance in the human body.
61
The average person's skin weighs twice as much as their brain.
131