Archaeologists find pre-Columbian mass grave in Peru

Archaeologists have found an ancient mass grave containing the remains of pre-Columbian men, women and children in the citadel of Chan Chan in northern Peru, a member of the team said Thursday.

Study: Machu Picchu older than expected

Machu Picchu, the famous 15th-century Inca site in southern Peru, is up to several decades older than previously thought, according to a new study led by Yale archaeologist Richard Burger.

High social and ecological standards for chocolate

Worldwide demand for food from the tropics that meets higher environmental and social standards has risen sharply in recent years. Consumers often have to make ethically questionable decisions: products may be available to ...

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