Professor Sir John Burn of Newcastle University explains what are stem cells, by heading down a nuclear bunker in Northumbria. He explains how stem cells are needed to repair all parts of our adult ...

Cells make up all life on Earth. Cells are the smallest unit of life. All cells have specific structures, called components. Models in science are used to help us understand complicated ideas in a ...

Every cell in the human body, and that of other mammals, originates from stem cell precursors. Progenitor cells are descendants of stem cells that then further differentiate to create specialized cell ...

Totipotent (omnipotent) stem cells can give rise to any of the 220 cell types found in an embryo as well as extra-embryonic cells (placenta).