Physics Today, February 2014 issue

Print this pagePrint this page
3 February 2014

PT Feb 2014 coverCover: Escherichia coli bacteria have served for decades as the “hydrogen atoms” of cellular decision making. In that branch of biology, researchers strive to understand the origin of cellular individuality and how a cell decides whether or not to express a particular gene in its DNA. (Image by Sebastian Kaulitzki.)