Modern art materials are falling apart in their cases and storage closets. “As the most adventurously made art ages, inherent vice has overtaken collectors and museums largely unprepared for its ravages. Fat is melting. Cellulose nitrate is powdering. Rubber is disintegrating. Nettles are crumbling. Dried mud is flaking and blowing away. The contemporary art conservator must be open to ingenious and humble solutions, not just technically sophisticated ones.”