Alpha-keratin Alpha-keratin Alpha-keratin, or α-keratin, is a type of keratin found in mammals. This protein is the primary component in hairs, horns, nails and the epidermis layer of the skin. α-keratin is a fibrous structural protein, meaning it is made up of amino acids that form a repeating secondary structure. The secondary structure of α-keratin is very similar to that of a traditional protein α-helix and forms a coiled coil. Due to its tightly wound structure, it can function as one of the strongest biological materials and has various uses in mammals, from predatory claws to hair for warmth. α-keratin is
Black Is the Color of My True Love's Hair (EP) Black Is the Color of My True Love's Hair (EP) Black Is the Color of My True Love's Hair is the title of a 2003 EP by the American rock band The Twilight Singers. The song "Black Is the Colour (Of My True Love's Hair)" is a traditional folk song which was first known in the United States about 1915. However, it may have come from Scotland originally. It is about a girl who is waiting for her lover to return from sea. Greg Dulli's cover of the song would later appear on The Twilight Singers' 2004 covers album "She