In the space of just 1.85 inches (4.7 centimeters), someone painstakingly carved the bird's eyes, conical beak, short legs, tail and a series of lines representing feathers. Based on the shape of ...

I carved this skull out of 6 gallons of epoxy resin and Walnut Burl. I then tried to duplicate the skull by casting it in silicone and making a mold of the wood section but that turned out to be ...

"We see this cascade of changes that happened along the dinosaur to bird transition," Holliday said. "A large part of it hinges upon when birds evolved a relatively large brain. Just like in humans, ...