Bay Area Ant Invasion

http://www.kqed.org/.stream/anon/radio/quest/2010/07/2010-07-05-quest.mp3

If you've ever had small, black ants in your kitchen, chances are they're Argentine Ants. These invasive insects have spread across California, forming what some scientists say is one of the largest colonies on Earth. They're also harming native ants. Now, scientists are developing ways to stop the invasion, by learning the language ants use to communicate. Lauren Sommer reports.

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