Medical technology is just about at the point where artificial blood substitutes that are easy to store, have a long shelf-life, don't need matching to patients, and perform most or all of the essential functions of real blood are becoming available.

The horrors of war inevitably contribute to advances in medical science. We've been more orless at war for a very long time now, and this has driven remarkable advances in fields like emergency care, telemedicine and prosthetics.