CNN Fareed Zakaria GPS May 17, 2015 17:51:00
They're about this big. >> so that's one drop or that's -- one drop of blood would go into that? what about the rest of that box? >> this is a sample. >> that's a single sample. >> this is a single sample. so this would contain 16 samples. >> of 16 different people. >> right. >> and the heart of this again, is the more often you can have your blood tested the more likely it is that you will catch variations oddities that would signal to a doctor that you have a condition, you have a disease, you have something that can be handled much earlier than the physical symptoms. >> exactly. 40 to 60% o...