As you're probably guessing from what you've already read, colloidal silver is classified as a metal sol. That means the solid...

You may wonder why, as the particle size goes down, the area goes up. A simple way to explain this is, as the particles size goes down,...

By Peter L. Reynolds, Ph.D. I must admit, it didn't mean a thing to me when I first heard the term. It wouldn't surprise me if you...