Recent tragedies concerning sinkholes have been making headlines, but scientists say they've been occurring for eons. Experts join Diane to discuss the causes of sinkholes and what they can teach us about the environment.
Farmers and researchers alike are eying the local stink bug populations warily, as 2013 is expected to be another big year for the invasive Asian insects. 2012 offered a reprieve with extremely low numbers of the bugs.
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