carmendrahl writes: "The natural carbohydrates that serve to protect human proteins can survive for millenia in the preserved flesh of natural mummies such as Ötzi the Iceman. (These types of mummies differ from Egyptian mummies- in these cases the corpse encounters some extreme conditions that allow it to be preserved). Researchers reported this discovery last month at a mass spectrometry conference. It's a surprising finding- experts expected the sugars to have degraded long ago. The researchers who made the discovery hope to use their technique to learn more about the evolution of blood types, which are dictated by the carbohydrates attached to blood proteins."
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