A Mexican-U.S. team of scientists and divers discovered the oldest human remains in the Americas, belonging to an adolescent girl dubbed "Naia," Mexico's National Anthropology and History Institute,or INAH, said.
The more-than-12,000-year-old skeleton was discovered in the Hoyo Negro archaeological site, located inside an underwater cave in the southeastern Mexican state of Quintana Roo.
Naia is the "most complete and genetically intact" skeleton of such antiquity ever found in the Western Hemisphere, according to the team.
INAH's Pilar Luna Erreguerena, a pioneer of underwater archaeology, said the analysis of mitochondrial . . .
