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What Happens When Leaf-Cutters Can't Cut It?

Fri, 12/31/2010 - 8:43am
Science Friday Podcast
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Leaf-cutter ants rely on their razor-sharp mandibles to snip leaves to pieces. But over time, their mandibles dull. Physicist Robert Schofield of the University of Oregon looked at what happens when the aging ants struggle with their snipping. He found they take on a new job.

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