An exploration · willy poppa
Sun
exposure
I’m exploring my relationship with sunlight, with melanin at the center of the conversation.
Read the introductory article →
Make it part of your day · Resources
Follow the questions to the research.
Use a concise guide to melanin, mitochondria, and three primary studies—with the scope of each finding made clear.
Start here · Featured article

Melanin and My Relationship With the Sun
Why I believe melanin deserves more attention, what I mean when I call my skin a “solar panel,” and why the story reaches deeper than skin.
Read the full article →Go further · Article
Skin as a Solar Panel: What I Mean by That
How I connect sunlight, melanin, and mitochondrial energy—and what the research helps me understand.
Read the article →Explore further · New article
Explore the connection between daylight and your body clock, with a simple place to begin paying attention.
Explore the ideas
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Stay with the conversation.
I’m following these questions here and in my letters.
Hero photograph: Mateus Andre / Magnific
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