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 ...
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 ...
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