AI scanned Peru’s megalithic ruins and the findings left scientists stunned. For decades, researchers assumed the massive stone walls of sites like Sacsayhuamán were carved and fitted purely by manual labor.

Researchers using artificial intelligence have identified more than 300 previously unknown geoglyphs in Peru’s Nazca Desert, doubling the number of known symbols and raising new questions about the ancient culture that created them.The project, led by scientists from Japan’s Yamagata University, used machine learning algorithms trained on satellite imagery to detect subtle variations in soil color…