04/18/2010 05:12 am ET Updated May 25, 2011

Rush Limbaugh Has No Affect On Invasive Asian Bark Beetles

DENVER (CBS4) - The bark beetle epidemic raving Colorado's high country forests has always been regarded as unstoppable, until -- perhaps -- now.

"This isn't airborne or anything like radio," said Richard Hofstetter at Northern Arizona University.

The forest entomology professor says laboratory research shows the beetle's behavior can be manipulated by sound.

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