Browse 49,400+ 70s retro background stock illustrations and vector graphics available royalty-free, or start a new search to explore more great stock images and vector art. Retro 70s geometric posters ...

Scientists have discovered the world's first transparent frog, an incredible amphibian that allows you to see its internal organs through its skin. This astonishing find showcases nature’s ...

Glass frogs also have a unique circulatory system, with veins that are closer to the surface of the skin. This allows the oxygen-rich blood to be visible through the skin ...