An art museum collaborates with expert chemists to investigate a Tang dynasty dancing horse.In order to solve a 1,300-year-old mystery, the Cincinnati Art Museum requested help from a University of Cincinnati scientist.The Chinese dancing horse sculpture at the museum is so lifelike that it seems to be ready to gallop off its pedestal. However, H ou-mei Sung, an expert in East Asian art, questioned the authenticity of a decorative tassel on the terracotta horse’s forehead that resembled the horn of a mythical unicorn.Pietro Strobbia, an assistant professor of chemistry at the UC College of Arts and Sciences, was contacted by...