"It opens up a whole line of inquiry into what we could to break apart these swarms before they develop," said co-author Stephen M. Rogers, who is affiliated both with Cambridge and the University of Oxford in England.
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But, he added, "you need to get it at an early stage. Once you have several million or billion locusts, there is a limit to what you can do."
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Calling the report a "breakthrough," Paul Anthony Stevenson of Leipzig University in Germany said it "harbors considerable potential" for finding ways to block swarming. But that will require a lot more research,
led mr16said Stevenson, who was not part of the research team.
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Researchers led by Michael L. Anstey of Oxford were studying the changes in locust behavior and tested them for a variety of chemicals. The only change they found was that when the insects were swarming, they had about three times more serotonin in their systems than when they were living as solitary creatures.
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So the scientists took some solitary locusts and injected serotonin into them. Sure enough they changed in appearance and flocked together.