Copper is an essential enzyme cofactor in bacteria, but excess copper is highly toxic. Bacteria can cope with copper stress by increasing copper resistance and initiating chemorepellent response.
Sitting near the Michelson Center for Convergent Bioscience and Irani Hall, which house biology research, Ginsburg Hall is a part of USC’s “frontiers of computing” moonshot.
The afternoon train was late into the town of Lexington. Mary \u2014 stout, graying, and as taciturn as a desert tortoise \u2014 waited on the train platform, getting antsy.