This is a fluorescently labeled section of embryonic human skin. The dark, diagonal slash through the center of the image is a hair follicle (1). The pink areas are stem cells in the hair follicles ...

Growing cells in the laboratory is an art that humans have mastered decades ago. Recreating entire three-dimensional tissues is much more challenging. Researchers are developing a new hydrogel-based ...

Now, Karl Koehler at Boston Children’s Hospital, United States, and his colleagues, have managed to generate skin organoids by directing the differentiation of human pluripotent stem cells in a ...