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1 .This is Scientific American's 60-Second Science. I'm Allie Wilkinson. Got a minute?
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2 .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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3 .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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4 .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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5 .And that's assuming the bugs stop chowing down in winter.
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6 .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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7 .Contrary to their prediction, location played an even bigger role in garbage consumption than biodiversity did,
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8 .insects gobbled up two to three times more food in the street medians than they did in the parks.
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9 .The study appears in the journal Global Change Biology.
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10 .If all that garbage disposal still does not make you an arthropod admirer, then consider this:
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11 .by competing with larger pests for resources, insects help keep rat populations down.
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12 .There's some food for thought.
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13 .Thanks for the minute, for Scientific American's 60-Second Science. I'm Allie Wilkinson.
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