Designer Life

E. coli, Zimmer shows us, have sex, make chemical weapons, wage wars, get old, deceive one another, and even “build microbial cities.” They can make heat-shock proteins to protect their colonies when they get too warm; they can maintain a sense of direction; they can even communicate with other members of their species. What we think of as infinitesimal and primitive, Zimmer reminds us, is often totally remarkable and intensely complicated. From The Boston Globe