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This is Scientific American 60-Second Science. I'm Karen Hopkin. This'll just take a minute.

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You can catch more flies with honey than with vinegar.

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But if you want to kill them, you might try Truvia.

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Because a new study shows that the active ingredient in this popular sweetener can act as an insecticide.

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The study began as a sixth-grade science-fair project.

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Eleven-year-old Simon Kaschock-Marenda noticed that his parents had stopped using sugar.

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So he decided to see how different sweeteners affect the health of fruit flies.

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He and his dad, a card-carrying biologist, offered the flies food spiked with a variety of no-cal sweeteners.

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Six days into the experiment all the Truvia-fed flies were dead,

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while those stuck with Sweet-n-low, Splenda or Equal lived five to seven weeks.

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Why Truvia makes flies drop like flies is still a mystery.

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Back in the lab, the researchers confirmed that the bugs weren't starving: they all continued to eat.

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Most actually seemed to prefer Truvia to real sugar when offered a choice, findings published in the journal PLoS One.

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Next, the researchers will see if the sweetener kills other bugs, like cockroaches or ants.

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Until then, try tossing a little Truvia in your coffee, and on the counter.

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Thanks for the minute, for Scientific American 60-Second Science. I'm Karen Hopkin.

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