Khipus are knotted-string devices that were used in the Inca Empire for communication and for recording information. Khipus are little understood, in part because most khipus are in museum ...

If the Jucul ones provide additional clues, she and her colleagues might one day be able to use them to crack open the lost history of the Inca empire, which was, at its peak, the largest ...

Two thousand years before the Inca empire rose to power in the Andes ... It was part of a tightly controlled ritual, likely reserved for a select few, reinforcing the social hierarchy,” said Daniel ...

Get Instant Summarized Text (Gist) Mice determine social hierarchy by detecting chemical cues, including odors and non-volatile scent signals, using both olfactory and vomeronasal systems ...

Unearthed in Peru, the small underground room may have been used for rituals involving psychoactive drugs. New research suggests these "exclusive" events were reserved for the elite ...

Around 2,000 years before the Inca empire dominated the Andes ... likely reserved for a select few, reinforcing the social hierarchy,” said Daniel Contreras, Ph.D., an anthropological ...

This "Chavín" society lived in the Andes two thousand years before the Inca empire ... reinforcing the social hierarchy." These chambers were contained inside massive stone structures at the ...

That use was by a culture known as the Chavín who inhabited the region during the Middle-Late Formative Period between around 1200 and 400 BCE, before the rise of the Incan Empire ... reinforcing the ...

Two thousand years before the Inca empire dominated the Andes ... It was part of a tightly controlled ritual, likely reserved for a select few, reinforcing the social hierarchy,” said Daniel Contreras ...