Meet ammonium chloride! And as Liman explains, the more we learn about new bodily functions, the more we learn about our ...

When it brings its tongue back in, the molecules contact special receptors and the snake senses the molecules as a smell. A fly tastes with its feet. At the end of a fly’s legs is a foot-like ...

From picking up the scent of a potential mate miles away to uncovering an explosive, a dog's nose is always hard at work ...

In the nasal cavity they bind with odor receptors—and it’s those receptors, of which humans have somewhere between 350 and 400 types, that are the main source of what we perceive as flavor.

Originally thought to be present only in the nose, olfactory receptors exist in many locations in the body, including in the skin, heart, lungs, kidneys, muscles, and sperm. They are involved in a ...

From picking up the scent of a potential mate miles away to uncovering an explosive, a dog's nose is always hard at work ...

Scientists used laser sensors to study how dogs' brains react to smells. Findings may change health and rescue work.

Our Future Chronicles column explores an imagined history of inventions yet to come – this time how, by the mid-21st century, ...

“Dogs have an incredible sense of smell. They have many more smell receptors than humans and a greater surface area to pass more air through,” says Dr MacMillan. A receptor is a part of the ...