Shark skin is made up of hundreds of millions of scales—called denticles—that are shaped like a three-toed dinosaur track. The curved bottom of the "foot" faces outward, while a cylindrical ...

Following is a transcript of the video. Narrator: Believe it or not, this is sharkskin. And it's a little different from your typical fishy scales. It's made up of thousands of dermal denticles ...

In this issue’s cover story (“Inspired by Nature”), Daniel Cossins describes how shark-skin denticles inspired the construction of antibacterial surfaces; how jellyfish tentacles influenced the design ...

The skin of sharks and rays are covered in a layer of denticles, which are essentially microscopic teeth. Thorny skates get their namesake from their sickle-shaped barbs that are made from the same ...