How fruit flies chase invisible ribbons of smell to get to their source

Organization: Jacek Krywko

Location: Global

Source: Jacek Krywko

A fruit fly hunting a piece of rotting fruit or a mate navigates by smell, following plumes of odor. Out in the wild, turbulent air swirls these plumes into a chaotic, broken landscape—dense chemical filaments laced through long stretches of clean air. A fly trying to find the source gets the smell in stutters, from constantly shifting directions, with no guarantee that a next whiff is coming at all. Scientist had little idea of how fruit flies manage this chaotic signal with a brain the size…


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