“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 ...

Synthetic biology offers many tantalizing possibilities, but scientists consider some projects too risky to pursue. DBenitostock/Moment via Getty Images Most major biological molecules, including all ...

For many years, researchers have been pursuing the development of what scientists have called “mirror life.” This evocative term refers to a fundamental property of biological life. All biological ...