When you're a superstar Muppet, apparently you have to hide out in the jungles of Costa Rica to avoid the paparazzi. Freelancer Michael Franco writes about the serious and silly sides of science and ...

A frog that turns to a mostly translucent state when sleeping could hold the key to understanding human blood coagulation. Although the glass frog has long been recognised by science, its method of ...

Glass frogs have the rare ability to turn on and off their nearly transparent appearance, researchers report Thursday in the journal Science. Ernesto Benavides/Getty Images Now you see them, now you ...

Scientists have figured out the trick behind one of the animal kingdom's best disappearing acts. Further research could lead to lifesaving medicine for humans. Glass frogs activate their invisibility ...

The findings of a recent study in Journal Science has showed that glass frogs make themselves transparent while they rest by taking red blood cells from circulation and concealing them in their livers ...

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.

Amphibians like glass frogs become see-through whilst sleeping - and now scientists have discovered how. The creatures hide 90 per cent of their red blood cells in their liver, which is mirror-coated, ...

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 ...

WASHINGTON (AP) — Now you see them, now you don’t. Some frogs found in South and Central America have the rare ability to turn on and off their nearly transparent appearance, researchers report ...

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, ...

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 ...