Medicine on the frontline

We start in war-torn Syria, where doctors are being persecuted for carrying out life-saving work. How is health care being administered in a country ravaged by conflict?

Could blood grown in a lab be a solution to chronic shortages of donated blood in war zones? Fresh, uncontaminated blood fit for transfusion could soon come in an artificial form.

And finally, imagine if we could erase traumatic memories - or at least their effect. New research in the US has identified a protein that could help millions of soldiers - and civilians - suffering from Post Traumatic Stress Disorder.