Saying one thing while feeling another is part of being human, but bottling up emotions can have serious psychological ...

A team led by scientists at Penn State has created a stretchable, rechargeable sticker that can detect real emotions — by measuring things like skin temperature and heart rate — even when users put on ...

The sticker-like patch tracks a range of physiological responses, such as skin temperature, humidity, heart rate and blood oxygen levels, that are associated with emotional states.