Still Waters Posted May 4, 2012 #1 Share Posted May 4, 2012 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 used for human sacrifice so long ago in Mexico.Researchers had long seen cut marks on ancient bones that appeared to suggest varied practices of dismembering victims in many pre-Hispanic cultures, but the find announced Wednesday positively identifies the sort of actual knives that were used in the ancient rituals. Mexico's National Institute of Anthropology and History said the finding clearly corroborates accounts from later cultures about the use of such knives to cut out hearts or cut up bodies. http://phys.org/news...lood-stone.html Link to comment Share on other sites More sharing options...
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