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New preservation technique strengthens old bones


Researchers have developed a new preservation technique to strengthen old bones that was inspired by the say sea animals strengthen their shells.

Using skeletal fragments from the Late Middle Ages, they grew aragonite, a kind of lime that some sea animals produce to shore up their shells, on the bones in a controlled way. The treatment hardened the surfaces of the bones, as well as the pores inside them, making the ancient remains 50 to 70 percent sturdier. “These results could have immediate impact for preserving archeological and paleontological bone remains,” the scientists conclude.

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Story: ACS | Photo: ACS

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