According to a statement released by Brown University, an international team of archaeologists discovered an altar in the Maya city of Tikal that is characteristic of the Mesoamerican culture centered at Teotihuacan. Teotihuacan, located outside of present-day Mexico City, thrived between the first and eighth centuries a.d., when it had a population of as many as 100,000. The new discovery is some of the strongest evidence to date that they had cultural interactions with Maya cities more than 600 miles to their southeast. The four painted panels of the late fourth-century altar, which was found in an elite residential complex,...