Dina Fine Maron, editor of Health & Science Medicine at Scientific American, discusses the news that Chinese scientists recently cloned two monkeys, raising questions about the practice.

Maron weighs in on the laws the U.S. has on the books regarding cloning. We also talk about the "Dolly" method, first used two decades ago on a sheep. Zhong Zhong and Hua Hua are the first monkeys that have been cloned using the "Dolly" method.