Context:

The hosts are discussing Beth Shapiro's previous appearance on the show and her work with ancient DNA and mammoths. They mention 'How to clone a mammoth' as a book they discussed with her, and note that her husband is a Neanderthal researcher. Beth Shapiro is identified as a researcher they've collaborated with on ancient DNA studies.

Context:

Beth Shapiro's book about de-extinction is discussed multiple times throughout the conversation. The subtitle is mentioned as 'The Science of de Extinction' (or similar). She discusses various alternative subtitle suggestions and the book's focus on the technological, ethical, and ecological considerations of bringing extinct species back to life. The book is referenced both in the middle of the conversation during mammoth cloning discussions and at the end as a resource for listeners.