Mass spectrometry detects first physical evidence of nicotine in Mayan container Archaeologists examining late period Mayan containers have identified nicotine traces from a codex-style flask, revealing the first physical evidence of tobacco use by ancient Mayans. The study published in Rapid Communications in Mass Spectrometry reveals the flask is marked with Mayan hieroglyphics reading, "y-otoot 'u-may," ("the home of its/his/her tobacco,") making it only the second case to confirm that the text on the exterior of a Mayan vessel corresponds to its ancient use. "Investigation of food items consumed by ancient people offers insight into the traditions and customs of a particular civilization," explains Jennifer Loughmiller-Newman from the University at Albany in New York. "Textual evidence written on pottery is often an indicator of contents or of an intended purpose, however actual usage of a container could be altered or falsely represented....