He covers everything from the history of dogs and canine intelligence to scientific information on learning and the senses.

CNN: Site-Seer: Fetching an obedient dog from the Web

More intriguingly, an experiment carried out in 2004 by Brian Hare, then at Harvard and now of Duke University in North Carolina, suggested that natural selection in the context of domestication had boosted dogs' intelligence, too, by allowing them to understand human behaviour in a way that their ancestors, wolves, cannot.

ECONOMIST: Wolves are, after all, cleverer than dogs