Friday, 24 May 2013

BBC News - Cockroaches lose their 'sweet tooth' to evade traps

BBC News - Cockroaches lose their 'sweet tooth' to evade traps

Natural selection in action ! A strain of cockroaches in Europe has evolved to outsmart the sugar traps used to eradicate them. American scientists found that the mutant cockroaches had a "reorganised" sense of taste, making them perceive the glucose used to coat poisoned bait not as sweet but rather as bitter.

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