When hair follicle stem cells lose their protein-based death cue, they take on a new role helping to repair wounds in skin.

Selected Images of the Day from the-scientist.com

Reprogrammed cells fix wounds in living mice.

Previously considered immobile, these cells swoop in to seal epithelial holes and clean up cellular detritus.  

After an initial wounding, genes needed for repair remain ready for action.

Biomedical engineer Kyle Quinn fends off a frenzied Internet mob after being wrongly identified as a Charlottesville protester.

Immune cells called macrophages from the peritoneal cavity of mice migrate to injured livers and aid in repair.

Forces from bidirectional growth plates mechanically realign broken bones in infant mice.

Olfactory receptors in the skin may help repair damaged tissue, a study shows.