The skin barrier is made from layers of keratin and lipids which prevent harmful molecules from getting into the body.

The study shows that the armor of this Cretaceous-period herbivore could withstand forces equivalent to a high-speed car ...

The new research suggests that this dinosaur's armor was adapted for fighting between members of Borealopelta markmitchelli.

First up is Massachusetts Governor Maura Healey, who says she won't help with mass deportations.

Keratin, the magical protein in your hair, is what keeps it strong and shiny. But sometimes, hair needs a boost, and that’s ...

The stratum corneum is very thin, with little keratin. Skin is used for gas exchange. Thick keratin layer would restrict oxygen exchange and water absorption. Amphibians have many mucus glands to ...

The stratum corneum is very thin, with little keratin. Skin is used for gas exchange. Thick keratin layer would restrict oxygen exchange and water absorption. Amphibians have many mucus glands to ...

Keratin is a fibrous protein naturally found in our hair, skin, and nails, giving them structure and resilience. But with age or exposure to environmental pressures, our body produces less keratin ...

The shell is composed of dermal bone covered with a tough keratin layer 1, comprised of individual scutes that can be named and numbered (Fig. 1), allowing for shell injury to be anatomically ...

The epidermis has five layers of its own. It also hosts different types of cells. Keratinocytes produce the protein known as keratin, the main part of the epidermis. Melanocytes produce your skin ...

This armored dinosaur was covered with bony plates and spikes, overlaid with a thick layer of keratin—the material that makes up hair and fingernails. Previously, paleontologists assumed that ...