Serotonin

Check out my serotonin tattoo, celebrating my favorite neurotransmitter and its significance in science.

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

Click here to go to the full Science Tattoo Emporium.

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