Seventy-plus years into the Atomic Age, the United States still lacks a good radiation-dosage test.

But the ASU Radiation Biodosimetry Test (ARad), a device being developed by Arizona State University’s Biodesign Institute, could soon help doctors triage victims of a nuclear attack by gauging their exposure to ionizing radiation via changes in gene expression.

ARad is one of only a few tests under development that can detect radiation exposure levels. Read/listen to my full story at KJZZ’s Arizona Science Desk:

ASU Radiation Test Uses Genes To Triage Nuclear Attack Victims