Drunk Driving and The Pre-History of Breathalyzers

Drunk driving combines two of America's favorite pastimes: getting absolutely hammered and driving an automobile. But before the invention of the modern breathalyzer in the 1950s, determining if someone was too intoxicated to operate a motor vehicle was incredibly subjective. It took decades for law enforcement… » 12/31/13 1:24pm 12/31/13 1:24pm

In the future, cops may use a breathalyzer to find out where you were…

Every breath of air you breathe is swarming with untold numbers of tiny molecular compounds. By the time you're ready to exhale, many of these compounds will have swapped places with molecules in your body via your lungs. Through this exchange, these molecules wind up telling a story of where we've been and the sorts… » 9/28/11 1:40pm 9/28/11 1:40pm