commodity

Oil is an especially volatile commodity this year. First it soared to record prices, now it's going the other way.

Host Kai Ryssdal asks an oil expert to help sort this out.

Forget oil and gold. Credit might be the commodity that's in the most scarce supply these days.

For most of the world, the soaring costs of raw materials, such as copper, steel and timber, are an economic burden.

For Africa, they're a blessing. Commentator Edward Miguel tells us why.

Stop worrying about demand. Look to the supply side to see why copper, iron, oil, natural-gas and fertilizer stocks all have more boom times ahead