"Not all of nature's layered structures are tough as animal shells and antlers." ScienceDaily. ScienceDaily, 17 January 2020. <www.sciencedaily.com / releases / 2020 / 01 / 200117110836.htm>.

A turtle's shell is part of the reptile's skeleton, and it protects some of the strangest features in the animal kingdom. Here's what's inside.

The 3D nanoarchitecture of the animals was examined, using high-resolution 2D and 3D structural analysis. The top layer was found to be composed of platelets of calcium carbonate.

At Nan’s Ranch, the animals joined the 80-plus other animals already there. Those Shell Factory animals include two ring-tailed lemurs, two coatimundi, a three-banded armadillo and a bare-eyed ...

"While some scientists once thought that each little jar-like structure of Cambrothyra was the shell of a tiny single-celled protist, our work instead supports the hypothesis that Cambrothyra was an ...

Researchers said on Thursday they found fossils of the oldest-known animal-made reef in Namibia, built by a small, filter-feeding seabed creature called Cloudina 548 million years ago.