When most people hear "nylon," they think of stockings, toothbrush bristles, or rugged backpacks. But deep within materials science laboratories, a quieter revolution is taking place—one built not on long chains of petroleum-derived carbons, but on the humble amino acid . The result is a family of materials known as Ala.-Ala Nylons .

Ala.-Ala nylons are not yet a commodity plastic—their cost is currently too high for disposable water bottles. But in high-value niches, they excel.