It might look like a comet or a shooting star, but this time-lapse video is actually a tiny plant root, not much thicker than a human hair, magnified hundreds of times as it grows under the microscope ...

Researchers have discovered that two proteins, which are involved in the control of stem cells' division in plant roots, need each other for these cells to function properly. The study combines ...

A stem cell, by definition, must be able to self-replicate to make more stem cells and to differentiate into a mature cell type. They can be unipotent as in muscle cells and only differentiate into ...