Data storage has grown considerably over the years. Storing a movie on a handheld device was once unheard of, and now we can get a 4K copy of “Avengers: Endgame.” But even with the ability to store hundreds of movies on something the size of a quarter, we still can’t hold a candle to the greatest data storage ever: DNA. Scientists are now starting to make artificial DNA, and their methods are downright crazy.