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Plant surface inspires trap for bedbugs (1:36) 

April 15 - Researchers in the US are attempting to produce a synthetic material that can stop bedbugs in their tracks. The scientists want to replicate the bedbug-trapping properties of the bean plant leaf in a non-biological material that won't beak down, and help alleviate a problem that has bugged America's cities for years. Rob Muir reports.

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