Aphrodisiac pheromone discovered in fish semen

An aphrodisiac pheromone discovered in the semen of sea lampreys attracts ready-to-mate females, according to a study publishing July 9 in the open-access journal PLOS Biology by Anne M. Scott of Michigan State University, ...

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 ...

Ants have an exceptionally 'hi-def' sense of smell

The first complete map of the ants' olfactory system has discovered that the eusocial insects have four to fives more odorant receptors—the special proteins that detect different odors—than other insects.

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