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This is Scientific American's 60-Second Science. I'm Allie Wilkinson. Got a minute?

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Rather than cringing at the next beetle or wasp in your way, you might want to thank them for helping to keep city streets clean.

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Researchers from North Carolina State University working in New York City found that hungry urban arthropods play a significant role in the disposal of trash.

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For example, in a small section of Manhattan called the Broadway/West St.corridor, insects consume the equivalent of 60,000 hot dogs a year that would otherwise be lying in the street.

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And that's assuming the bugs stop chowing down in winter.

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To assess how much discarded food bugs got rid of, the researchers placed measured amounts of hot dogs, potato chips and cookies at 21 park sites and 24 street medians.

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Contrary to their prediction, location played an even bigger role in garbage consumption than biodiversity did,

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insects gobbled up two to three times more food in the street medians than they did in the parks.

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The study appears in the journal Global Change Biology.

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If all that garbage disposal still does not make you an arthropod admirer, then consider this:

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by competing with larger pests for resources, insects help keep rat populations down.

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There's some food for thought.

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Thanks for the minute, for Scientific American's 60-Second Science. I'm Allie Wilkinson.

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