Gobel, who has dabbled in taxidermy and painting, makes and sells arrowheads, arrowhead necklaces and obsidian knives ... It’s not an art that many would like, he said, because it takes a ...

Modern obsidian scalpels look nothing like the decorative flint-knapped knives of Neolithic man, often resembling their modern counterparts in everything except for the blade edge, but Green said ...