Armadillos can be housebroken. | A "gelotologist" is a person who studies laughter. | Clans of long ago that wanted to get rid of their unwanted people without killing them would burn their houses down - hence the expression "to get fired." | At 15 inches the eyes of giant squids are the largest on the planet. | The New York City subway system, in an effort to raise revenue, is considering selling sponsorships of individual stations to corporations. Riders could soon be getting off at Nike Grand Central Station or Sony Times Square.