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Thousands of years after their owners’ mouths stopped moving forever, the teeth of Egyptian mummies are telling scientists details about their civilization.
After analyzing the oxygen isotope levels in teeth recovered from the mummies, researchers at the Université de Lyon in France were able to determine that the ancient Egyptians endured an extensive period of drought.
Scientists have long attempted to link the Egyptian civilization’s rise and fall to changes in climate, but they’ve been stymied by gaps in Nile River sediment records and historical accounts.
The mummy research, carried out over several years, involved drilling tiny holes in the teeth and bones of mummies housed at the Musée des Confluences de Lyon in France. Bone and enamel samples were then tested for two oxygen isotopes.
Changes in the isotopic ratios showed researchers that, for a time, the region was subjected to extremely dry…
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