Long before modern refrigeration, the ancient Inca Empire was preserving food for years and moving it across vast distances. Archaeologists have now uncovered rare evidence of that system in Peru. Two ...

Freeze-dried potatoes were a food source that lasted longer than regular potatoes did, meaning they could be transported across the Inca empire. | Credit: Photo by L.M. Valdez Two lumps of potato ...

Archaeologists digging at an Inca site on the arid coast of southern Peru have unearthed two rare, roughly 500-year-old freeze-dried potatoes. The potatoes are among the only ones found in more than a ...

Archaeologists in Peru recently uncovered an unusual find: freeze-dried potatoes that date back centuries before the United States was even founded. The potatoes, known as chuño, were found at the ...