Recent Precision-Tuning of the Fruitfly Brain: Scientists at England's University of Oxford know how to make fruitflies scared of things they weren't scared of previously -- by implanting artificial memories in their brains after somehow locating and managing the precise 12 neurons that enable the flies to learn things. The implanted "danger" (the smell of sweat-soaked athletic shoes) causes the flies to scatter at the first whiff.

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