Robert T.S. Colby, a retired Alexandria General District Court judge known for what became known as the “Colby Deal” for first time offenders who appeared before him, died April 16 at Inova Alexandria ...

Cancer stem cells are rare immortal cells within a tumour that can both self-renew by dividing and give rise to many cell types that constitute the tumour, and can therefore form tumours. Such cells ...

Haematopoietic stem cells are progenitor cells that have the ability to both generate all types of blood cells, including those of the myeloid and lymphoid lineages, and to replace themselves. In ...