DNA. DNA is the delicate and intricate molecule that decides everything about us. Who we are. What we'll look like. And most importantly: our health. DNA is all our details and information stored into a delicate molecule. DNA trail This summer you can take part in an extraordinary event across London, in support of Cancer Research UK, there are over 21 DNA double helix sculptures scattered across London. They will be up until the Sunday 6th September 2015, then they will be auctioned by Christie's at the end of September.