Bird beaks come in almost every shape and size—from the straw-like beak of a hummingbird to the slicing, knife-like beak of ...

Instead of the usual blunt front, they proposed a long, tapered, and aerodynamic nose that copied the bird's beak. The new design revolutionized how the train engaged the air in front of it.

After surviving a likely gunshot wound in July, a bald eagle in Missouri is showing an important sign of recovery–keratin ...