Sam Kean

The price of diamonds can vary greatly depending on size, cut, color, and other factors, including whether they have a history. But because of the rarity of blue boron diamonds, they often fetch more money than gems of similar quality.

I do like the zombie movies quite a bit. I know there are purist zombie guys that don't like the running zombies, but I dig the infected thing. I think that's a scarier incorporation of an element into the genre.