Sandpaper-like shark skin is unique and may have medical uses for human wounds and burns - study
Sharks differ from other fish in their amazing ability to heal from wounds, according to reports of sharks recovering from injuries sustained in the wild.
Spiny dogfish (Squalus acanthias), a small shark species, at the Marine Biological Laboratory, Woods Hole, Chicago.(photo credit: Etty Bachar-Wikström)ByJUDY SIEGEL-ITZKOVICHUpdated: