The see-through amphibians have an amazing strategy for hiding while asleep—one that could advance our understanding of blood clotting. The organs and developing eggs of a female glass frog, ...

Discover 10 fascinating animals with transparent bodies, from glass frogs to jellyfish. Learn how these see-through creatures use transparency for survival and camouflage in nature.

Jesse Delia says it happened in Panama. A few years back, he was finishing up his field work — a research project examining the parental behavior of a type of glassfrog. He brought a handful of these ...