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About half of Americans are middle class, according to the Pew Research Center. Definitions of the middle class may depend on income, assets or job status. Given current economic conditions, being ...

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We developed an optogenetic tool based on tetanus neurotoxin — a protease that cleaves the synaptic vesicle fusion protein VAMP2 to inhibit neurotransmitter release. We show that this light-controlled ...

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