Bath, Somerset the goddess Sulis, whom the Romans identified with Minerva; the name Sulis continued to be used after the Roman invasion, appearing in the town's Roman name, "" (literally, "the waters of Sulis"). Messages to her scratched onto metal, known as curse tablets, have been recovered from the sacred spring by archaeologists. The tablets were written in Latin, and cursed people whom the writers felt had wronged them. For example, if a citizen had his clothes stolen at the baths, he might write a curse, naming the suspects, on a tablet to be read by the goddess. A temple was constructed
Aphanizomenon flos-aquae (dietary supplement) from the air, and water to synthesize proteins, carbohydrates, and lipids. AFA is also able to directly use molecular nitrogen from the air to produce proteins and other nitrogen-containing biomolecules. This ability is widespread in prokaryotes, but unknown in eukaryotes. "Aphanizomenon flos-aquae" as a species has both toxic and non-toxic forms. While benefits have been indicated, toxicity has been shown in some strains of the species "Aphanizomenon flos-aquae", with cylindrospermopsin and saxitoxins present, and microcystins found contaminating AFA dietary supplements. The World Health Organization's "Guidelines For Drinking Water Quality" note Anatoxin-a, saxitoxins, and cylindrospermopsins are present in the Aphanizomenon genus.