Sulis may be written in alternating directions, from left to right and then right to left (boustrophedon). While most texts from Roman Britain are in Latin, two scripts found here, written on pewter sheets, are in an unknown language which may be Brythonic. They are the only examples of writing in this language ever found. At Bath, the Roman temple is dedicated to Sulis Minerva, as the primary deity of the temple spa. Through the Roman Minerva syncresis, later mythographers have inferred that Sulis was also a goddess of wisdom and decisions. Sulis was not the only goddess exhibiting syncretism with
Aphanizomenon flos-aquae toxic chemicals released when cells die. Once released (lysed), and ingested, these toxins can damage liver and nerve tissues in mammals. In areas where water quality is not closely monitored, the World Health Organization has assessed toxic algae as a health risk, citing the production of anatoxin-a, saxitoxins, and cylindrospermopsin. Dogs have been reported to have become ill or have fatal reactions after swimming in rivers and lakes containing toxic "A. flos-aquae". Microcystin toxin has been found in all 16 samples of "A. flos-aquae" products sold as food supplements in Germany and Switzerland, originating from Lake Klamath: 10 of 16