America needs a sustainable blood supply. Mixed reality may entice a new generation of donors

Weakened by cancer, Amar Singh Sandhu yearned for one more journey. He wanted to briefly leave the hospital to spend a final Christmas with his family. In the end, two strangers helped him make that homecoming.

He never got their names.

Days before the holiday, those two people had each provided a pint of their blood as part of the routine donations that help sustain community blood supplies. On Christmas morning in 2019, Sandhu, 69, received those two pints through a transfusion, boosting his energy for the special gathering. READ MORE