It is the first conclusive evidence of use of stone implements in human sacrifice. Experts in Mexico have found blood cells and fragments of muscle, tendon, skin and hair on 2,000-year-old stone ...

MEXICO CITY – Traces of blood and fragments of muscle, tendon, skin and hair found on 2,000-year-old stone knives have given researchers the first conclusive evidence that the obsidian blades were ...

The discovery in southern Africa of numerous ancient “Swiss Army” knives made from stone, all seemingly the same design, suggests widespread communication across the continent an astonishing 65,000 ...

—it’s a dull knife. Once that blade is dull, it forces a person to misuse a knife, resulting in problems. Traps don’t get carved right. Meat doesn’t come off the bone of your deer right. And, in ...

Here's a set of knives for those who disdain fancy cutlery, fashion tie-ins, or the past 6,000 years of metalworking technology. Made by a Tel Aviv-based design studio, these modern stone and flint ...