By detecting subtle structural differences in volatile compounds, the sensors could power non-invasive breath tests for diseases such as lung cancer or diabetes.

Scientists have designed a new type of gas sensor that can tell apart "mirror image" versions of the same smell molecule, ...

A highly sensitive, wearable gas sensor for environmental and human health monitoring may soon become commercially available, according to researchers at Penn State and Northeastern University. The ...

The Fist Alert SA3210 Dual Sensor Ten Year Alarm makes use of both ionization and photoelectric sensors to offer the earliest possible warning--regardless of the type of fire. While all smoke alarms ...