It's several times sharper than surgical steel and has an iridescent beauty that masks its use as a deadly tool. It's obsidian — a hard, dark volcanic glass used for thousands of years by American ...

RED RIVER GORGE — On a flat, grassy piece of land beside the Red River, a man sat in the shade, striking a piece of wood against a rock, slowly shaping a rough piece of flint into a spear point.

Junkyard flint knapping is my new favorite thing because it takes a piece of trash and recycles it into something else entirely with just a few taps (okay, more than a few taps). But watch Shawn Woods ...

For Michael Gilbert, prehistoric ways of life are anything but history when it comes to making ancient Indian tools. Gilbert is a flint knapper, a person who makes prehistoric tools whose original ...