The metabolism of cancer cells is abnormal compared to that of normal tissues. This leads to the alteration of volatile organic compounds (VOCs) in the exhaled breath of individuals with cancer. Study ...

Migratory locust (Locusta migratoria) feeding: Scientists at the Max Planck Institute for Chemical Ecology want to understand how odor perception and processing affects the dangerous swarming behavior ...

While humans feature a sophisticated sense of smell, insects have a much more basic olfactory system. Yet they depend upon smell to survive. Scientists have figured out how fruit flies use a simple ...

OLFACTORY signals must be coded both externally and internally. Externally, the odorous molecules present distinctive patterns based on their ability to excite several more or less widely separated ...

All senses must reckon with the richness of the world, but nothing matches the challenge faced by the olfactory system that underlies our sense of smell. We need only three receptors in our eyes to ...