(Santa Barbara, Calif.) –– Beginning around 542 million years ago, a profusion of animals with shells and skeletons began to appear in the fossil record. So many life forms appeared during this time ...

New research shows that skeletal stem cells in mice assume a more primitive developmental state in response to extensive regeneration needs and environmental cues. Adult mouse skeletal stem cells in ...

Adult mouse skeletal stem cells in the jaw revert to a more developmentally flexible state when called upon to regenerate large portions of bone and tissue, according to a study by researchers at the ...