Beetles are creatures with built-in body armor. They are tiny tanks covered with hard shells, also known as exoskeletons, protecting their soft, skeleton-less bodies inside. In addition to providing ...

Brachiopods are marine invertebrates that have long been valued as archives of palaeoenvironmental conditions due to their robust, low‐magnesium calcite shells. The geochemistry and microstructure of ...

Flashy iridescent shells might not seem like the best evolutionary strategy for bugs trying to avoid hungry birds. But in recent years, biologists have shown that iridescence—lustrous shifts in color, ...