The first two U.S. cases of H1N1 influenza in San Diego last April were barely noticed. Soon, however, a surge of such cases hit Mexico, mainly near Mexico City, quickly contributing via returning visitors to another surge in metropolitan New York. For the next several months, similarly unseasona...More...
Not so long ago, chronobiologists did not think that bacteria expressed circadian rhythms. These timing systems regulate myriad biological processes, including metabolism and gene expression, helping organisms adapt to environmental changes within the course of each solar day that involve shifts ...More...