'Alien-Like' Skulls Excavated in Mexico

Human skulls deliberately warped into strange, alien-like shapes have been unearthed in a 1,000-year-old cemetery in Mexico, researchers say.

The practice of deforming skullsof children as they grew was common in Central America, and these findings suggest the tradition spread farther north than had been thought, scientists added.

The cemetery was discovered by residents of the small Mexican village of Onavas in 1999 as they were building an irrigation canal. It is the first pre-Hispanic cemetery found in the northern Mexican state of Sonora.

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