Why do some people get freckles and others don't? A biologist breaks down the genetics, sun exposure and evolutionary ...

In a recent study published in Progress in Neurobiology, researchers discover that the substantia nigra of individuals with Parkinson’s disease had a higher concentration of pheomelanin, as well as ...

Biologists examined the survival rates and chestnut feather coloration of barn swallows and other species of birds, to unearth factors favoring the evolution of pheomelanin in spite of its costs. They ...

A novel method developed by two scholars of Bharathiar University to obtain pheomelanin from a bacterium, streptomyces spinoverrucosus, has been granted patent recently.Pheomelanin is one of the three ...

Red and orange hair have long been one of humanity's most distinctive traits. Found in only a small percentage of the global ...

One of the traits that we usually use to physically describe people is their hair color. Hair is a useful descriptor because it varies so much among us. Melanin is the molecule responsible for the ...