“Mirror life”—a synthetic organism, mirror-reversed on the molecular level from natural life—sounds like an impossibility. And so far, it is—even the simplest mirror bacterium would be dramatically ...

Kate Adamala had been working on something dangerous. At her synthetic biology lab, Adamala had been taking preliminary steps toward creating a living cell from scratch with one key twist: All the ...

Our hands are mirror images of each other. Unless you flip one hand around, they’ll never look the same. Scientists call this chirality, and the mirror-like property is fundamental to all life on ...