Discovery: The Resurrection Quest

The doctors answer a listeners question `can we bring back extinct species?". While Hannah is excited at the idea of woolly mammoths roaming the earth again, Adam is very strongly against it. Helen Pilcher shares the story of Celia the lonely mountain goat and makes the case for cloning to prevent extinction while Beth Shapiro explains how Colossal plan to engineer the DNA of Asian elephants to make a new group of mammoth-like creatures