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COCKROACH-PERSONALITIES/
RTR4SQNO 
March 10, 2015 
An American cockroach (Periplaneta americana), on which a radio tag is attached, is seen at the Universite... 
Brussels, Belgium 
An American cockroach is seen at ULB in Brussels 
An American cockroach (Periplaneta americana), on which a radio tag is attached, is seen at the Universite libre de Bruxelles (ULB) in Brussels March 6, 2015. Isaac Planas Sitja (R) from Spain, a researcher at the ULB conducting the experiment, said they observed "personalities" among cockroaches qualifying them in two groups: the "bold or explorers" and the "shy or cautious". During the experiment on the behaviour, analysing personality in the context of collective dynamics of these insects, cockroaches take shelter under a red plastic circle inside an arena. Observations show that "shy" individuals spent less time exploring the arena and quickly go under one of the shelters, while those classified as "bold" took more time exploring the arena. Picture taken March 6, 2015. REUTERS/Yves Herman (BELGIUM - Tags: ANIMALS SCIENCE TECHNOLOGY) 
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