Earlier this year, the world learned that Barbara Streisand had cloned her beloved pet dog, Samantha. As a news item, it was a weird novelty that got a fair amount of attention. But I wanted to know: How exactly do you clone a dog? In this podcast, I dug into the science of cloning to figure it out. Along the way, I learned why people clone their pets and which parts of the cloning process can get a little hairy.