Maternity Figure (detail), 12th to 15th century. Mali, Djenne people. Earthenware. Gift of Marcia and John Friede. 2007.6
On February 11, 2010 the Conservaiton Department, the department of Africa, Oceania and the Americas, the Jolika Collection of New Guinea Art and the Caroline and H. McCoy Jones Department of Textiles Arts hosted a mini-symposium at the de Young. An international lineup of scholars presented some of the major scientific techniques used to analyze works of art and textiles. Their presentations highlighted the advantages and limitations of scientific testing in attempting to answer questions of provenance, dating, authenticity and conservation.