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 ...

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 ...

Archaeologists have found more than a dozen stone knives in an ancient Maya city near a sacrificial altar. Researchers made the find in the pre-Hispanic settlement of Kulubá, in the southern Mexican ...

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 ...

Yahoo Soccer is powered by OneFootball, the ultimate destination for news, live matches, scores, highlights, and more. MEXICO CITY (AP) — Traces of blood and fragments of muscle, tendon, skin and hair ...

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