While many animals use their sense of smell to navigate in dark environments, none do so in quite the same way as the ...

But while trunks may be structured like a tongue and function like an arm, they are, in fact, a nose, and an exceptional one. An animal's sense of smell is linked to the number of olfactory ...

Thanks to their excellent smelling ability, dogs have been used for hundreds of years to hunt down wild game and search for criminals. At airports, they help identify explosives and illicit drugs.