Cells in our bodies die all the time, and now we know just how fast. Scientists found that death travels in unremitting waves through a cell, moving at a rate of 30 micrometers (one-thousandth of ...

New research shows how epithelial cells naturally turn over, maintaining constant numbers between cell division and cell death.

Human life is dependent on the constant growth of plants, and it is the job of stem cells to see to it that this occurs. They are found at the tips of the shoots and roots, the so-called meristems ...