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DNA found in fossil bone crystal clusters source: PhysOrg | Sep 14, 05 | submitted by Ryan

Rehovot, Israel - Ancient DNA preserved in bones is valuable in studying the genetics and evolution of animals, including humans. However, DNA degradation and the potential of contamination make obtaining reliable samples difficult, especially in humans.

But Michal Salamon and colleagues at the Weizmann Institute of Science, in Rehovot, Israel; found crystal aggregates -- small mineral pockets formed when neighboring bone crystals fuse -- can preserve organic matter in a better state than the rest of the bone.

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