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Lit-up brain circuit shows fruit fly sex differences

When a fruit fly sniffs out a chemical scent, the signal travels to its little brain where a newly discovered circuit quickly transforms that information into a physical response. The feat takes just four neurons, researchers say.Full story

Stuffing fruit flies to study human obesity

Fruit flies that eat high-fat diets get fat, according to a new study. More important, fruit fly obesity looks much like human obesity, with symptoms including high cholesterol and blood sugar imbalances. Full story

Pheromone turns fruit flies violent

The scent of a single chemical can turn peaceful, happy fruit flies into flying fists of fury. Full story

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