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Patterns in Nature: Enigmatic Earth
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Photo: Scales of an Atlantic salmon
Photo: Light reflecting on a rock wall in UtahPhoto: Close-up of a giant clam mantlePhoto: Close-up of a cactus in Manzanillo, MexicoPhoto: A millipede curled into a spiralPhoto: Scales of an Atlantic salmonPhoto: Magnified diatomsPhoto: Close-up of a basket sea starPhoto: Ray of light from a cenote in MexicoPhoto: Snapping turtle shellPhoto: Mammatus clouds over Nebraska
ENLARGEWALLPAPER
The scales of an Atlantic salmon, such as these on a fish in Quebec, Canada, can help biologists determine the fish's age.
Photograph by Paul Nicklen

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