Millions of people grew up worldwide convinced the way to get a busted Nintendo cartridge working was to blow on it. It may have worked sometimes, temporarily, but experts say you were actually doing a lot more harm than good. ...

The strange story of a collector buying a very rare Neo Geo game at an airport for $30,000 just got a whole lot stranger: there are now accusations that the cartridge is a fake. A forgery. A hoax. Members of the Neo Geo collect...