In what researchers consider a major scientific leap, a team at Ohio State University has discovered a new way of turning skin cells into any type of cells the body might need, a technology that has limitless potential, from regenerating a wounded limb to repairing a brain after stroke to healing a damaged heart.

The process involves placing a square chip about the size of a fingernail on the skin, adding a droplet containing genetic code, and zapping it with an energy source