Diamonds: A Scientist's Best Friend

Allison Addermulk: We're talking about diamonds, and whether they're a scientist's best friend. Robert Lamb: To really understand why these are awesome, we do have to hit the basics. Allison: Diamonds form 100 miles below the Earth's surface in the molten rock of the Earth's mantle. The recipe if you're planning to cook one up at home is 752 degrees Fahrenheit.