- A mathematical formula at the Maya site of Xultun reveals the name Sak Tahn Waax, an important Maya mathematician-astronomer, for the first time.
- The formula, part of Text 19 hieroglyphs, calculates relationships between multiple calendar cycles, including Venus, solar years, and Mars years, in a playful manner.
- Researchers suggest the chamber was a workspace for scribes in the mid-eighth century AD, highlighting Maya intellectual curiosity and recognition of mathematicians in society.