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.

After decades spent in rewrite rooms surrounded by other shouting writers, I discovered that I work best alone. I like being in charge of my time, working out the problems according to my own rhythms and being able to nap. That's a big one, the napping on demand!

What happens on 'Mad Men' in terms of the acting and the writing and the directing, it's superior. And yes, it has tremendous cache and buzz because it's become iconic, but it also deserves all the kudos and the awards as well, because it's a beautiful show to look at.