Tagged: feathers

It’s Not Only Fine Feathers That Make Fine Birds

We touch keratin every day of our lives. It makes up our hair, nails, and some clothing. The keratin present is mammals is called α-helix keratin, which you can think of protein folded in a helix. The same protein that makes up these materials is what the feathers of a bird, but it is folded differently. Imagine a helix stretched […]