In lean times, flies can't survive without their sense of smell

It's not just bomb-sniffing dogs; animals everywhere rely on their sense of smell. Now, Howard Hughes Medical Institute and Rockefeller University researchers show just how important olfaction is, proving that fruit flies with a normal sense of smell have a survival advantage over those that don't. The findings, to appear in the July 31 advance online issue of Current Biology, may be useful in controlling insect populations and reducing insect-borne disease.

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