Fear has a scent. Here’s how this invisible chemical signal has shaped human perceptions, emotions and survival instincts.

Dogs can detect cancer by smell, according to a new study in which trained dogs identified hemangiosarcoma, an aggressive blood-vessel cancer, in blood samples. Cancer is a leading cause of death in ...

In A Nutshell Horses detect human fear through scent alone. French researchers exposed horses to cotton pads soaked with ...

Beyond the billboard: the rise of multi-sensory advertising.

They mirror the originals in look, feel and finish. But behind the polish lies a vast underground economy — a booming, ...

Today’s newsletter is about the Chinese government, a biolab, and reckless handling of dangerous pathogens. No, it’s not 2020.

Dogs feel sadness, too. From loneliness to routine changes, dog healers decode subtle signs a pet may be emotionally ...