Birds have long been nature’s masters of flight. Their ability to glide, dive, and twist through the air with ease has ...

The feathers on the outer part of the wing spread apart on ... called thermals. Soaring birds hitch a ride on these thermals, circling up into the sky without any effort. Large seabirds, however ...

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 ...