Aquae Calidae, Bulgaria local church her imperial robes. In 584 the Avars under Khan Baian conquered Aquae Calidae, but Baian spared the baths at the request of his harem. In one of the churches of the city the Avars found the imperial robes of Anastasia and Baian took them and allegedly claimed control of the empire. The first archaeological excavations were by Bogdan Filov in 1910. In the pools he found over 4,000 coins of various eras, jewelry and other everyday items dated from the 5th to the 13th century. Since 2008 large-scale excavation and reconstruction has taken place. By 2010, an area
Aphanizomenon flos-aquae Aphanizomenon flos-aquae Aphanizomenon flos-aquae is a brackish and freshwater species of cyanobacteria found around the world, including the Baltic Sea and the Great Lakes. "Aphanizomenon flos-aquae" can form dense surface aggregations in freshwater (known as "cyanobacterial blooms"). These blooms occur in areas of high nutrient loading, historical or current. "Aphanizomenon flos-aquae" has both toxic and nontoxic forms. Most sources worldwide are toxic, containing both hepatic and neuroendotoxins. Most cyanobacteria (including "Aphanizomenon") produce BMAA, a neurotoxin amino acid implicated in ALS/Parkinsonism. Toxicity of "A. flos-aquae" has been reported in Canada, Germany and China. "Aphanizomenon flos-aquae" is known to produce endotoxins, the