Researches know that dogs and cats can sometimes detect diseases with their keen sense of smell . Owlstone has created a microchip that can detect chemical molecules in the air with great accuracy . The chips are small enough to be implanted into pets, but large enough for humans to see them. Work continues to shrink it even further in a bid to enter the healthcare market . 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 . Owlstone has created a microchip that can detect chemical molecules in the air with great accuracy . The chips are small enough to be implanted into pets, but large enough for humans to see them. Its 'digital nose ' can already detect down to parts per billion , equivalent to one drop in an Olympic swimming pool .