Enamel is hardest substance in the human body.
61
Every year your body replaces 98% of your atoms.
119
An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
59
Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
Poor eyesight (myopia) is associated with higher IQ.
232
Chewing gum boosts your brain power.
285
When you take a step, you are using up to 200 muscles.
886