by Adam Taylor, The Conversation Lab-grown organoids are made using stem cells. Credit: Microgen/ Shutterstock Human volunteers have received the first-ever transfusion of lab grown red blood cells in a groundbreaking scientific first. Volunteers received about 5ml-10ml of blood (around 1-2 teaspoons), which contained around 15 billion red blood cells. So far, volunteers who received the lab-grown blood...
