We were taught to look left, right, left again — to safely cross the street. But what if ur texting ur BFF? Or talking on the phone with mom? Or singing along with Lady GaGa?

The latter, listening to music while crossing the street, is more hazardous than texting or talking on the phone, says new research from the University of Alabama at Birmingham that quantifies the dangers of distracting activities; the results surprised even the researchers.