Toward a coronavirus breathalyzer test

Few people who have undergone nasopharyngeal swabs for coronavirus testing would describe it as a pleasant experience. The procedure involves sticking a long swab up the nose to collect a sample from the back of the nose ...

Breathing deeply – and safely – in the midst of flames

Every year fires rage throughout the Southwestern U.S., placing firefighters and first responders at risk as they battle flames and smoke. University of Arizona researchers are working to make their jobs a bit safer by improving ...