How extremophiles flourish in stressful environments

Thousands of molecules of ribonucleic acid make salt-loving microbes known as "extremophiles" highly resistant to the phenomenon oxidative stress -- the uncontrollable production of unstable forms of oxygen called "free radicals," which can negatively affect DNA, proteins, and lipids in cells. https://www.sciencedaily.com/releases/2018/03/180302124842.htm