A pigment in red hair may have a secret superpower: It can turn a toxic threat into a splash of color. Scientists studying the orange-to-red melanin in bird feathers have found that its production can ...

Orange pigment may limit cellular damage by managing sulfur-rich nutrients, shedding light on why orange coloration persists ...

Pigments are coloring materials that are either organic or inorganic. Pigments must meet many technical criteria in the manufacturing process, such as color strength, ease of application, durability ...