How Clean is That Hand You Are Shaking? The Spread of Germs

How Clean is That Hand You Are Shaking? The Spread of Germs

How Clean is That Hand You Are Shaking? The Spread of Germs  We routinely shake the hands of people we know and those we are meeting for the first time. But if you take a closer look at the science behind this gesture, things might not seem quite so pleasant. The...