If you had told people from the 1970s that few decades later the globe would be connected with powerful computers held in the palm of your hand, they could be forgiven for thinking you were seriously deluded. Now, a growing number of scientists are convinced we're on a similar threshold with genetic engineering. Today we'll take you on a tour of a biohacker's DNA experiment to change how frogs—and possibly people—grow muscles. It's an experiment which he insists anyone can try at home. He'll even sell you a kit—frogs included—to do it.