By Alex Gaul Click here for updates on this story PORT WASHINGTON, Wisconsin (WTMJ) -- Despite a chilly and windy start to ...

Science and philosophy explain why a color is objectively real, even when people see the same shade differently.

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 ...

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 ...

But when – and why – did the practice start? 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 ...