Slovenian archaeologist makes new discoveries about Maya calendar

Slovenian archaeologist Ivan Šprajc has played a key role in a groundbreaking study on the Maya calendar in which researchers found that the Mayan timekeeping system is hundreds of years older than previous research indicated and might have been used as far back as 1100 BC.

Published in the peer-reviewed journal Science Advances, the study used aerial laser scanning (lidar images) of buildings or sites in an extensive area along the south coast of the Gulf of Mexico.

Šprajc, head of the Institute of Anthropological and Spatial Studies at the Ljubljana research centre ZRC SAZU...