The inside of a living cell is a surprising patchwork of environments. For example, pH levels can vary dramatically in different organelles, despite them being just a couple hundred nanometers apart.

MANILA, Philippines—In a 1962 experiment, microbiologist Dr. Leonard Hayflick made a grim discovery that human cells grown in tissue culture would only divide a certain number of times, presumably ...

There are many differences that help us distinguish healthy cells from cancerous cells—from shape to growth to signaling. Another way is by their pH. The pH in a cancerous cell is not the same as the ...

Johns Hopkins Medicine scientists say they have found new evidence in lab-grown mouse brain cells, called astrocytes, that one root of Alzheimer's disease may be a simple imbalance in ...

A study by Dorothy P. Schafer, Ph.D., and Travis E. Faust, Ph.D., at UMass Chan Medical School, explains how two different ...