Bones can self-destruct: It is possible for your bones to destruct without enough calcium intake. You are taller in the morning: Throughout the day, the cartilage between your bones is compressed, making you about 1 cm shorter by day’s end. 1/4 of your bones are in your feet: There are 26 bones in each foot, [...]

The brain doesn’t feel pain: Even though the brain processes pain signals, the brain itself does not actually feel pain. Your brain has huge oxygen needs: Your brain requires 20 percent of the oxygen and calories your body needs — even though your brain only makes up two percent of your total body weight. 80% [...]