In new research, biochemical analyses align with imagery and historical sources to show how the pre-Inca Chincha society ...

Bird droppings on a car. When it comes to the success of ancient civilizations, the first things that come to mind are ...

Maize farmers in Peru’s Chincha Valley were fertilizing their crops with seabird poop as early as the year 1250 ...

The Chincha Kingdom was transporting seabird excrement from islands to valleys as early as the 13th century, and this powerful fertiliser may have been key to its economic success ...

New archaeological evidence reveals that seabird guano—nutrient-rich bird droppings—was not only essential to boosting corn ...