2 conversations and articles · Search for “Dermatology”
The cell that actually makes a tattoo permanent — colorized scanning electron micrograph of a macrophage. Photo: NIAID, via Wikimedia Commons, licensed CC BY 2.0. A video going…
Article ·Frank C. Müller, CC BY-SA 3.0, via Wikimedia Commons. This is a classic incandescent heat lamp, not one of the narrow-band LED panels this piece is about — and, as it turns out,…
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