This nasal receptor mediates the appetizing smell of fish food

The aquatic environment is full of tantalizing chemicals that can guide a fish to mates or meals. Now, scientists in Japan have identified the olfactory receptor and brain circuitry that picks up the scent of adenosine triphosphate, ...

Sniffing Out the Physical Condition of Conspecifics

To date, it has been unknown exactly how mammals are capable of sniffing out whether a conspecific is ill. The biologists Prof. Marc Spehr and Daniela Flügge are following a good lead. They have discovered that a messenger ...

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