At a trauma unit in a Toronto hospital, it’s easy to see who’s in charge: the person wearing the orange vest. A recent column in the New York Times credits a nurse with coming up with this “simple yet effective innovation,” an idea inspired by the confusion among 20 emergency room staff members during simulated situation in which no one knew who was the lead.

“The innovation also illustrates why hospitals should support novel ideas by all members of the health care team,” the piece notes.

Read it to understand more about design thinking (“the innovations come from those who actually work there,” not from those on high). And read these pieces below to learn of other nurses inventing solutions.

“Nurse-Led Models of Care Succeed; Case Studies Count the Ways”

“Complex Care Model Leads to Answers for America’s Vulnerable”