Many things are recycled these days, and now blood has been added to the list, exciting the medical community.
British scientists have developed a new machine to help overcome blood shortages and cut the need for transfusions.
The portable machine Hemosep takes the best bits out of the blood that leaves the body - and prepares them to go back in an affordable way.
Al Jazeera's Phil Lavelle reports.
Source: Al Jazeera