In the 7,500-year-old wine residues McGovern's lab identified in 1996, for example, was the clear chemical signature of resin from the terebinth tree, a type of pistachio that .
Two telltale substances in a salt clinched the new finding: tartaric acid and resin from the terebinth tree.
Inexplicably, some words have become more obscure ("terebinth," for instance, replaces "turpentine tree").