as therapeutic agents, as guard and hunting dogs. Moreover, in many developing countries, both dogs and cats have become part of human families, regardless of the social class (Figure1). The benefits of having a pet animal are undisputed...
Black cauldrons of boiling tar smoked and bubbled over the fires. The clattering of hammers, the rasping of saws, the whirring of wheels, and the clamour of men's voices sounded from earliest morning until the setting of the sun; and the work went on apace all day and every day, ...