Thinking about injecting an identification chip in your pooch? If you live in the UK, you won't have a choice. Come 2016, British authorities will require all of the country's pups to have embedded microchips, so they can be returned to their owners if ever they run astray. The United Kingdom's Environment Department says some 60 percent of the country's 8 million dogs already have the tags, but beginning in three years, owners who don't spring for the device could be forced to pay fines of up to £500 (about $780). Cat microchipping will remain optional, since felines are less likely to wander outdoors. And "World's Cu
