Researchers discover a new sensory ability in humans

"The human sense of smell is far better at guiding us through our everyday lives than we give it credit for," said cognitive neuroscientist Johan Lundström. He was referring to what he and a research team just discovered, which is that humans can actually tell how much fat is in their food just by smelling it. » 1/22/14 6:30pm 1/22/14 6:30pm

These diseases can be diagnosed by smell

It's not hard to tell when you've walked into a room, or a house, in which a person is sick with with a flu or a bad cold. There's an immediate smell of stale sweat, cough medicine, and human misery. But can it be done with other diseases? According to doctors, there are some diseases, physical and mental, that can be… » 11/12/12 7:20am 11/12/12 7:20am

New research suggests that you too can become a wine snob

Do you find yourself completely lost whenever your friends go off on long-winded descriptions of a wine's aroma and bouquet? Well there may be hope for you yet, you uncultured brute. A new animal study — wherein researchers trained rats to distinguish between three very similar, albeit different, smells — suggests… » 11/21/11 11:19am 11/21/11 11:19am

The truth about why things smell bad: Vibrating molecules

For over a century, our sense of smell has been explained with the "lock and key" hypothesis, which holds that each odor molecule has a particular shape that allows it to fit into particular smell receptors in the nose. But now a controversial study involving fruit flies suggests that hypothesis might miss the truth… » 2/15/11 5:00pm 2/15/11 5:00pm