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The calculations were based on complex statistical models developed by Jordan Martin at UZH's Institute of Evolutionary Medicine.

In fact, some of the oldest Egyptian mummies were likely accidents, says Frank Rühli, director of the University of Zurich’s Institute of Evolutionary Medicine and head of the Paleopathology and Mummy Studies Group.

“There’s a cultural switch,” says lead author Shevan Wilkin, a biomolecular archaeologist at the University of Zurich Institute of Evolutionary Medicine.

Both of us are evolutionary medicine researchers.

But Joe Alcock, an evolutionary medicine researcher at the University of New Mexico, Albuquerque, says it’s possible that damaging an attacker’s eyes was the driving force to evolve unique chemistry.