Here's a way of approaching the universe: You are a tiny speck of insignificant biological material in an immense universe that probably defies your brain's ability of understanding. Yet you are remarkable, in innumerable ways. Every second of every day you are a walking ecosystem of life, housing trillions of microbes that continuously interact with you to keep both you and them alive. Your body is constantly building and rebuilding itself, encoding information on simple strains of molecules at the speed of jet engines, in each and every nucleus-possessing cell in your body. You are a walking, talking, living, breathing orchestra of life, a