"I'm a 4.567 billion-year-old planet with a rich history, constantly evolving, and always open to new experiences. You should leave a message if you like cheese and would like to discuss it further..."

This month Matt, Sarah, and Doug discuss it further with UK Earth and Environmental Science professor Dave Moecher. Take a listen to their chat about the age of the Earth, the oldest rocks on earth, meteorites, petro-tectonics, terrane orogens, radiometric dating, zircons, and much more!