Damien Hirst formaldehyde artworks 'posed no risk to public'
A scientific paper that claimed a 2012 exhibition of Damien Hirst works led to the release of dangerous formaldehyde fumes is retracted by one of its authors after further tests.A scientific paper that claimed a 2012 exhibition of Damien Hirst works led to the release of dangerous formaldehyde fumes is retracted by one of its authors after further tests.