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{short description of image}Image Number K8742-1 A gas chromatograph (GC) is used to identify individual scents emitted from potato foliage. Above, entomologist Joseph Dickens positions a Colorado potato beetle antenna in front of a GC outlet to find out which scents the insect detects. Photo by Scott Bauer.  640 pixels wide: (k8742-1.jpg)   Please visit our Image Gallery


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