Researches know that dogs and cats can sometimes detect diseases with their keen sense of smell . It has created a device that can detect chemical molecules in the air with great accuracy . Eventually the company decided to enter the healthcare market with a breathalyzer that can detect diseases . It then identifies each chemical 's unique make-up . Its ' digital nose ' can already detect down to parts per billion , equivalent to one drop in an Olympic swimming pool .
Researches know that dogs and cats can sometimes detect diseases with their keen sense of smell . It has created a device that can detect chemical molecules in the air with great accuracy . Eventually the company decided to enter the healthcare market with a breathalyzer that can detect diseases . Its ' digital nose ' can already detect down to parts per billion , equivalent to one drop in an Olympic swimming pool .