A dog's nose is one of the most sensitive chemical detectors in nature.

It carries hundreds of millions of scent receptors, against a few million in humans.

Researchers have known for years that trained dogs can pick up the faint chemical traces of diseases like cancer in a person's breath.

The problem has always been turning that ability into something standard and scientific.

A dog cannot fill in a lab report. , a Bengaluru deeptech startup, is trying to close that gap with technology.