Locally sourced grapes and imported tar pitches may have been the norms for winemakers along the coast of Italy during the Roman period, according to jars recovered from the ocean near the harbor of San Felice Circeo. Three different wine jars, or amphorae, were recovered and analyzed, giving researchers a useful insight into the practices for producing wine in this particular region in 1–2 century BCE, part of the late Greco-Italic period. What makes the research particularly notable is that it combines some of the latest chemical analysis techniques with other approaches used in archaeobotany to discover more about these...