Taking inspiration from bird feathers ... inspired flaps to a 3D-printed model airplane wing and mounted it in the wind tunnel, a 30-foot-tall metal contraption that simulates and measures ...

But a bird wing is vastly more sophisticated than anything composed of sheet metal and rivets. From a central feather shaft extends a series of slender barbs, each sprouting smaller barbules ...

Two male Rodrigues solitaires fight over a female in the background using club-like wings The extinct Dodo had a little-known relative on another island. This fascinating bird ultimately suffered ...

The government has amended its notification under Section 5 of the Environment (Protection) Act (EPA), 1986, mandating that only cotton thread—free from sharp, metallic, or glass components, adhesives ...