All known natural life uses L (left-handed) amino acids in proteins and D (right-handed) sugars in DNA and RNA. In contrast, mirror life would use D proteins and L sugars — effectively a reversed ...

From living matter to molecules to elementary particles, the world is made of “chiral” objects that differ from their reflected forms. After her adventures in Wonderland, the fictional Alice stepped ...

Amid growing debates about the benefits and risks of studying looking-glass versions of life’s building blocks, there is an urgent need to bridge divergent views. Prohibiting the creation of molecules ...