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This is Scientific American 60-Second Science. I'm Christopher Intagliata.

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We humans enjoy coffee and tea, to give our brains a caffeine boost.

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And bees sometimes sip nectar that naturally contains caffeine, which seems to enhance their memory.

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Now a study suggests that bees enjoy another familiar drug produced by plants: nicotine.

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"As it turns out, not just in humans, but even the bees seem to have difficulties quitting."

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Lars Chittka, a professor of behavioral and sensory ecology at Queen Mary University of London.

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Chittka and his colleagues studied bumblebees as they visited fake flowers that contained varying levels of nicotine.

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Unnaturally high nicotine concentrations deterred the bees.

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But at real-world levels, the drug attracted bees.

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And they even learned a flower's color faster, if that flower offered a nicotine fix.

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Sometimes bees paid a steep price for this preference.

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"They returned actually to flowers that had previously sold them nicotine, so to speak, even if these flowers no longer contained nectar.

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Which might give nicotine-pushing plants, like tobacco, an edge.

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"It provides these plant species with an unfair advantage over competing plants, because they can retain the faithful services of pollinators, even if they're offering suboptimal nectar in this case."

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The results are in the journal Scientific Reports.

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And if caffeine and nicotine have these effects on bees?

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Perhaps natural floral pharmacies stock other drugs too-that enhance pollination, and give bees a buzz.

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Thanks for listening, for Scientific American 60-Second Science. I'm Christopher Intagliata.

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