Young stem cells (left) produce more material (dark brown) for bone than old stem cells (center), and a new study shows how they can be rejuvenated by adding sodium acetate (right)Pouikli/Max Planck Institute for Biology of Ageing VIEW 1 IMAGES ____________________________________________________________________________________ Scientists looking into the biological mechanisms behind deteriorating bones have made a discovery that could help tackle age-related conditions like osteoporosis, by rejuvenating stem cells that are central to the process. The newly published study demonstrates how certain changes compromise the performance of these stem cells as they age, but also shows how sodium acetate can be used to...