As for the highest country in the world, there's only one that lives entirely above 1,000 meters (3,281 feet) in elevation: ...

Chattanooga—once considered the dirtiest city in the USA—is the third place in the world to receive this designation, joining ...

Grand Rapids, Michigan became the first city in the world to add fluoride to drinking water in 1945 as part of a study first sponsored by the U.S. Surgeon General, then taken over by the National ...