Most of us don’t ponder our pulses outside of the gym. But doctors use the human pulse as a diagnostic tool to monitor heart health. Zhenan Bao, a professor of chemical engineering at Stanford, has developed a heart monitor thinner than a dollar bill and no wider than a postage stamp. The flexible skin-like monitor, worn under an adhesive bandage on the wrist, is sensitive enough to help doctors detect stiff arteries and cardiovascular problems.
Stanford University News Service, May 2013