Most butterflies sport colorful, eye-catching patterns on their wings. But some species, like the glasswing butterfly, use mostly transparent wings to hide in plain sight. Transparency is the ...

"So we asked the question, what is the actual developmental basis of how they create their transparent wings?" Butterfly wings are known for their colorful patterns, created by tiny, overlapping ...

They just don’t come packaged in one animal. First up on the dragon checklist: flying. Dragon wings are usually depicted in one of two ways—a third pair of limbs connected to the backbone ...