About 10.7% of all homes not in foreclosure in the U.S. currently for sale were built between 1970 and 1979, according to real-estate website Trulia, which analyzed listings that contained a home's build date in the property description.
This led to the discovery of the top quark, the heaviest elementary particle seen to date and the penultimate piece of the jigsaw puzzle known as the Standard Model that is the best description physicists have of the basic components of the universe.