All-woman team of senior engineering students creates bruise age measurement device for use in child abuse and domestic violence cases.

“The forensic ability to accurately determine the age of a bruise has long evaded the medical community, which hasn’t been able to answer questions about how old bruises are with any degree of accuracy,” said Dr. Dale Woolridge, director of the Southern Arizona Children’s Advocacy Center and professor of emergency medicine, pediatrics, and chemistry and biochemistry at the University of Arizona.