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Science Tattoo Friday: Back with a Neurochemical Vengeance

Explore the significance of the serotonin tattoo, representing a favorite neurotransmitter for many science enthusiasts.

Written byCarl Zimmer
| 1 min read
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"Here is a picture of my serotonin tattoo. I don't know that it needs much more explanation than it's my favorite neurotransmitter."--Hayley I thought there were more science tattoo out there. Last week brought nothing, but this week brought the collection up to 85.

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