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Courting both ways

Doped-up male fruit flies fancy other males

Boost the dopamine in a male fruit fly’s brain, and he’ll see guy flies in a whole new way.

Given a choice, these high-dopamine fellows still prefer a virgin female fly to a male, says Jean-François Ferveur of the University of Burgundy in Dijon, France. But given only a male, the fruit flies with the altered brain chemistry will court him. Male fruit flies from the wild do so only rarely, Ferveur and colleagues from China report in the May 21 Journal of Neuroscience.

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