That insight, they write, could prove useful for doctors seeking to better understand the psychological state of patients who ...

A team led by scientists at Penn State ... sticker that can detect real emotions — by measuring things like skin temperature and heart rate — even when users put on a brave face. UNIVERSITY ...

To help health care providers tell the difference, a team led by scientists at Penn State has created a stretchable, rechargeable sticker that ... Professor of Engineering Science and Mechanics ...