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This is Scientific American 60-Second Science. I'm Sophie Bushwick. Got a minute?

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What do turkeys have to do with toxin detection?

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No, they can't sniff out poison.

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But scientists have been inspired by the birds' special skin.

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You see, turkeys can change their skin color.

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When they get excited, their blood vessels swell, changing the spacing between connective tissues.

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The new spacing scatters light differently, making turkey skin shift from a red color to blue or white.

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To imitate this function, researchers created sensors made of bundles of viruses known as bacteriophages.

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Like the tissues in turkey skin, the virus bundles can expand or contract, changing the color pattern of the sensor.

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Because bacteriophages respond differently to different substances, they make unique color patterns when exposed to organic compounds like hexane or methanol.

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The work is in the journal Nature Communications.

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A potential smartphone app could spot changes in a sensor's color to identify different compounds and their concentrations.

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The sensors can even be made to detect dangerous substances such as TNT.

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Something you would not want to gobble, gobble, gobble.

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Thanks for the minute, for Scientific American 60-Second Science. I'm Sophie Bushwick.

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