This experiment could end all life. Or it won’t. Should we try it?

An employee works with a sample in the laboratory of the State Office for Agriculture, Food Safety and Fisheries in Rostock, Germany. | Jens Büttner/picture alliance via Getty Images It could revolutionize human health — or it could spell our doom. It really depends on who you ask. I’m not talking about potentially risky biodefense lab research, but something that doesn’t yet exist: mirror life. Here’s a refresher on normal biology: the cells in our bodies are composed of the building blocks of life. Nucleotides and sugars make up our DNA, which provides the blueprint for cells and c