A small biotechnology company developing a synthetic blood for use when supplies are low or unavailable is moving to Baltimore from St. Louis and affiliating with the University of Maryland BioPark.

During a trauma, blood loss is the leading cause of preventable death, but bags of blood aren’t always available, such as on the battlefield or at a mass casualty scene. There is no real blood substitute, though some products are in the works.

Read the full story from the Baltimore Sun.