Fun Facts About Hands - as part of the expert series by GeoBeats. In nearly all people, the palm of the hand has little to no color and cannot tan. If the nerves to the skin of the hand are severed, the skin loses its ability to wrinkle. The natural movement for each finger is to curl towards a point at the same spot on the base of the wrist. Our dominant hand is controlled by its opposing hemisphere of the brain, right for left and left for right. The left hands on right-handed people tend to get better washed, as do the right hands on left-handed people.