Life On The Edge

Can life exist in the Antarctic ice, in the deep subsurface, in dilute sulfuric acid, in hot springs-even on Mars? What degree of high or low temperature, pressure, or salt concentration can living cells tolerate? In recent years, scientists have discovered many single-cell creatures that exist in-in fact, are perfectly adapted to-extreme environments that were considered uninhabitable just one or two decades ago. In Life on the Edge, author Michael Gross explores how microorganisms adapt t...