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Associated Press
This undated image made available by Geraldine Wright shows a honeybee visiting a coffee flower. A new study says honeybees get a shot of caffeine from certain flowers, and it perks up their memory. That spurs them to return to the same type of plant, boosting its prospects for pollination and the future of the plant species. The coffee plant's nectar offers about as much caffeine concentration as a cup of instant coffee, according to researchers. The work, by Geraldine Wright of Newcastle University in England and co-authors, was reported Thursday, March 7, 2013 in the journal Science. (AP Photo/Geraldine Wright)

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