The complexity of the chemistry that the nose detects has made olfaction particularly difficult to explain. Researchers think that human noses possess about 400 types of olfactory receptors, which ...

The shape of the human nose has been sculpted in part by climate. “A lot of it depends on the environment that your ancestors grew up in,” says Lauren Butaric, a biological anthropologist at Des ...

A recent study is the first to parse the structure of a human olfactory receptor, called OR51E2 ... his team homed in on OR51E2 because it moonlights in the kidney and gut outside the nose, ...

The human nose, skin and intestine ... The chemical structure of epifadin is extremely unstable and the substance is only active for a very few hours, so epifadin has a mainly local effect.

Human nose structure 3D printed with a support material. (Image: Shinji Sakai) Ever since bioprinting was first reported in 1988 by using a standard inkjet printer, researchers have explored the ...

Physicians have, for the first time, induced a sense of smell in humans by using electrodes in the nose to stimulate nerves in the olfactory bulb, a structure in the brain where smell information ...