Damien Hirst was a shark in formaldehyde in a vitrine, and sold for £50,000. The shark had been caught by a commissioned fisherman in Australia and had cost £6,000. The exhibition also included "In a Thousand Years". As a result of the show, Hirst was nominated for that year's Turner Prize, but it was awarded to Grenville Davey. Hirst's first major international presentation was in the Venice Biennale in 1993 with the work, "Mother and Child Divided", a cow and a calf cut into sections and exhibited in a series of separate vitrines. He curated the show "Some Went Mad, Some Ran
Formaldehyde paraformaldehyde. Many cyclic oligomers have been isolated. Similarly, formaldehyde hydrates to give the geminal diol, which condenses further to form oligomers HO(CHO)H. Monomeric CHO is rarely encountered. by atmospheric oxygen into formic acid. For this reason, commercial formaldehyde is typically contaminated with formic acid. Formaldehyde is a good electrophile. With good nucleophiles such as thiols, amines, and even amides, no acid catalyst is required. The resulting hydroxymethyl derivatives typically react further. Thus amines give hexahydro-1,3,5-triazines. Similarly, when combined with hydrogen sulfide, it forms trithiane. In the presence of acids, it participates in electrophilic aromatic substitution reactions with aromatic compounds resulting