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 ...

Patterns of tiny bumps on this South American butterfly’s wings allow it to appear completely transparent. Now, engineers have mimicked these nanostructures in an eye implant for people with ...

They certainly know how to fold. A see-through artificial wing case has been used to watch for the first time as ladybirds put away their wings after flight. Ladybirds have long, transparent wings ...