As anticipation builds for the longer days that follow this weekend’s switch to daylight savings time, the moment seemed ideal to turn to one of the nation’s leading circadian-rhythms researchers, UC ...

The molecular clock theory posits that genetic changes happen steadily and gradually, offering a reliable means for peering into the past and theorizing when complex life first emerged. However, there ...

Introduction -- A pattern emerges: early comparison of amino acid sequences -- A theory to match: the neutral theory of molecular evolution predicts a molecular clock -- Generation gap: the theory is ...