Senescence is a process in which a cell ages and stops dividing but does not die. In keratinocytes, or skin cells, senescence is marked by depolarization of membrane potential (Vmem), the electrical ...

The rhythm in a working heart is regulated by electrical impulses. Disturbances of this bioelectrical process can result in cardiac arrhythmias, or irregularities in heartbeat -- a common ailment that ...

Your heart runs on electricity! Discover how tiny sparks keep it beating — and how Buffalo inventor Wilson Greatbatch’s “happy accident” led to the pacemaker, a life-saving device that changed ...