Arthur Lewis

Science affects all our ways of thinking about the world: both the physical world, which, if I may make so bold, is easy to understand because it is regular and follows simple laws, and also the social world, which is more baffling and less predictable.

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.

Having a Congress with a more diverse educational and professional background would serve the country well. And given the budget challenges facing America today, we might benefit from a few more cold, calculating problem solvers, and fewer courtroom impresarios.