We explore the chemistry behind how a little machine can tell how much alcohol you've had. We explore the chemistry behind how a little machine can tell how much alcohol you've had. Reactions is ...

With each breath, humans exhale more than 1,000 distinct molecules, producing a unique chemical fingerprint or “breathprint” rich with clues about what’s going on inside the body. For decades, ...

Qizhong Liang, a PhD candidate in JILA and the Department of Physics at the University of Colorado Boulder, demonstrates how the laser-based breathalyzer works, in the Ye lab at JILA. Ultimately, the ...

A Breathalyzer designed to determine whether someone is currently under the influence of cannabis is being used by employers in Michigan and is now offered at several medical centers around the state.

Using a breathalyzer alone to effectively detect cannabis impairment could be a pipe dream, according to a recent pilot study spearheaded by the University of Colorado. A valuable tool over the past ...

A new breathalyzer is now available that works with smartphones and mobile apps. Breathometer ($49.99) is small enough to fit on a keychain and plugs into the audio jack of a smartphone. Along with a ...