News, views and advertising of the Grand Coulee Dam Area
Sorted by date Results 1 - 1 of 1
I got an e-mail from one of my newspaper friends wondering when old toothbrushes should be switched out for new ones. Frankly, I know little about the mouth, but I once gave an oral report. And I must admit my teeth aren’t all mine, but they will be after three more payments. Several hundred years ago, a person cleaned his teeth with a quill. But if he used that same quill to write a letter with invisible ink, the next time he picked his teeth he risked becoming a ghostwriter. The invention of nylon toothbrushes in the late 1930s led to h...