Biological clocks. Biological clocks. Biological clocks Victor Bruce, biological clocks expert, dies at 88 - 6/15/2009 - Princeton Weekly Bulletin Periodic activity of the digestive tract is now a well-recognized phenomenon. Some years ago, it was proposed that this was controll... Current Biology - Supplemental Data Biological Clocks in Medicine and Psychiatry: Shock-Phase Hypothesis Biological Clocks in Medicine and Psychiatry Molecular mapping of point mutations in the period gene that stop or speed up biological clocks in Drosophila melanogaster The Timing of Biological Clocks How similar are daily and seasonal biological clocks? timing of biological clocks Biological Clocks in the Retina: Cellular Mechanisms of Biological Timekeeping