Camouflage takes many forms in the natural world. Some animals are born with skin or coats that blend in naturally with their environment. Some Old World lizards like the chameleon have an almost ...

Frogs are one of the most diverse animal groups, with a wide range of sizes and colors. Scientists have identified up to 5,000 frog species and believe there are many more waiting to be discovered.

Masayuki Sumida and his team at Hiroshima University’s Institute for Amphibian Biology have developed a transparent frog. They say that being able to see past the skin can aid them in disease studies ...