Skull and mandible 236, dating from between 2687 and 2345BC, which belonged to a male aged 30 to 35. Photo: Tondini, Isidro, Camarós
Skull and mandible 236, dating from between 2687 and 2345BC, which belonged to a male aged 30 to 35. Photo: Tondini, Isidro, Camarós

4,000-year-old skulls suggest ancient Egyptians tried to treat cancer with surgery