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
Skin Deep (The Outer Limits) Skin Deep (The Outer Limits) "Skin Deep" is an episode of "The Outer Limits" television show. It was first-aired at 4 February 2000, during the sixth season. Sid Camden gets a hold of an experimental holographic disguise device that allows him to acquire the image of his handsome co-worker, Chad Warner... Sid Camden, a rather unremarkable, socially inept man, works in an accounting department of a high-tech company known as "Veil-Tech". He spends much of his spare time in chatrooms. One day Hal, one of the project managers, secretly loans Sid a prototype of one of the company's latest developments