Medical research

Smelling your food makes you fat

Our sense of smell is key to the enjoyment of food, so it may be no surprise that in experiments at the University of California, Berkeley, obese mice who lost their sense of smell also lost weight.

Psychology & Psychiatry

The human sense of smell: It's stronger than we think

When it comes to our sense of smell, we have been led to believe that animals win out over humans: No way can we compete with dogs and rodents, some of the best sniffers in the animal kingdom.

Health

The social costs of smell loss in older women

A new study of older U.S. adults conducted by researchers from the Monell Center and collaborating institutions reports that a woman's social life is associated with how well her sense of smell functions. The study found ...

Neuroscience

Fish courtship pheromone uses the brain's smell pathway

Research at the RIKEN Brain Science Institute in Japan has revealed that a molecule involved in fish reproduction activates the brain via the nose. The pheromone is released by female zebrafish and sensed by smell receptors ...

Neuroscience

3-D model of human retronasal olfactory sense

The sweetness of a peppermint candy can be experienced with the nose pinched shut, but flavor is detectable only when the pinch is released and volatiles in the candy are exhaled back into the nose where smell receptors exist.

Neuroscience

How many senses do humans really have?

Ask even the youngest schoolchild how many senses we have and she'll tell you five—sight, sound, smell, taste and touch.

Medical research

Humans' built-in GPS is our 3-D sense of smell

Like homing pigeons, humans have a nose for navigation because our brains are wired to convert smells into spatial information, new research from the University of California, Berkeley, shows.

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