Heavy metals is improved with the addition of thorium. Tellurium is added to copper and steel alloys to improve their machinability; and to lead to make it harder and more acid-resistant. The biocidal effects of some heavy metals have been known since antiquity. Platinum, osmium, copper, ruthenium, and other heavy metals, including arsenic, are used in anti-cancer treatments, or have shown potential. Antimony (anti-protozoal), bismuth (anti-ulcer), gold (anti-arthritic), and iron (anti-malarial) are also important in medicine. Copper, zinc, silver, gold, or mercury are used in antiseptic formulations; small amounts of some heavy metals are used to control algal growth in, for example,
Element of Crime – in English for the first few albums and then in German. The band's name is borrowed from the title of the movie "The Element of Crime" by Lars von Trier. Element of Crime Element of Crime is a German rock band that plays melancholic chanson, pop and rock music with guitar, bass guitar, drums and voice/trumpet. The band was founded in 1985 by Sven Regener who subsequently became known as the author of the books "Herr Lehmann" (2001) (English title "Berlin Blues"), "Neue Vahr Süd" (2004) and "Der kleine Bruder" (2008) and as the screenplay writer of the film