A series of whole genome and gene duplication events that go back hundreds of millions of years have laid the foundations for tissue-specific gene expression, according to a new study. The 'copy-paste ...

For thousands of years, humans have selectively bred dogs to fulfill specific roles, ranging from guarding and hunting to herding and companionship. This deliberate shaping of traits has resulted in ...

Modern dog breeds come in a mind-boggling array of shapes and sizes—from Chihuahua to Great Dane, corgi to greyhound, pug to German shepherd. In fact, the domestic dog, Canis familiaris, shows more ...

Origins of the dog: domestication and early history / JulieClutton-Brock -- Evolution of working dogs / Raymond Coppinger and Richard Schneider -- Genetic aspects of dog behaviour with particular ...

700 million years ago, a remarkable creature emerged for the first time. Though it may not have been much to look at by today’s standards, the animal had a front and a back, a top and a bottom. This ...