But a closer look at this hedgehog revealed that something was amiss. She appeared to be wearing a small pink necklace. Turns out, however, the “necklace” was actually the cap ring from a ...

"In mammals, it appears that hedgehog signaling regulates adult stem cells, diverting them from forming fat cells and redirecting them to become bone," Dr. Graff said. "Unfortunately, as humans age ...

A protein that guides the early development of creatures as diverse as fruit flies and humans also plays a role in regulating fat and bone formation in adult organisms, researchers at UT Southwestern ...