Bark beetles have been unstoppable across the West, destroying 33 million acres of forest in British Columbia and millions more in the United States, and the only thing that’s slowed them has been running out of trees to devour. But taking a page from the U.S. troops who tried to drive Manuel Noriega into surrender by playing loud music, researchers at Northern Arizona University have developed acoustic assaults that deter the beetles and can drive them away from the trees.>>>
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