melanin
Hungry Macrophages Keep Tattoos on Mice’s Skin
Hungry Macrophages Keep Tattoos on Mice’s Skin
Diana Kwon | Mar 7, 2018
A new study reveals that a constant stream of ink-gobbling immune cells helps hold tattoos in place.
Color Clues in Dino Fossils
Color Clues in Dino Fossils
Karen Zusi | Aug 31, 2015
Researchers confirm that some microscopic imprints in fossilized dinosaur feathers are pockets of melanin.
The Dark Side of Melanin
The Dark Side of Melanin
Anna Azvolinsky | Feb 19, 2015
Researchers uncover a previously unknown way UV light can act on melanin, spurring cancer-causing mutations hours after sun exposure.