The poultry industry produces around six billion tons of ... is commercializing Schmidt’s group’s 1998 patent on technology to separate feather fiber from the quill. Close to opening a production ...

Porcupine quills are hollow, like feathers, and are made from the same material, but then so are hairs, and fingernails, and claws and scales. The... Jan 08, 2015 — Porcupine quills are hollow ...

They found on it clear indications of quill knobs--places where the quills of secondary feathers, the flight or wing feathers of modern birds, were anchored to the bone with ligaments. Quill knobs ...

Quill feathers are the large feathers on the edge of the wings. "We were inspired by birds: they can radically transform the size and shape of their wings because they have an articulated skeleton ...

(Related: "Dino-Era Feathers Found Encased in Amber.") By contrast, the older dinosaur sported long quills, with each tail feather measuring 13.7 inches (35 centimeters) long and a typical arm ...

The team recognised these as quill knobs, small lumps of bone that act as attachment points for feathers. These knobs are direct evidence that Velociraptor carried a row of feathers on its forearm ...