Truffles, ghosts and now malaria: things dogs can sniff out

Truffles, ghosts and now malaria: things dogs can sniff out

Man’s best friends have long been put to work, and a recent medical study has shown hounds can be trained to smell malaria in children. It means that we can tick off malaria from the list of things that dogs can identify with the 220m olfactory receptors in their noses.