How the Earth Works

Geologist Martin Pepper and Biologist Liz Bonnin investigate world history in a unique way: By exploring different parts of the world known for historic events and cataclysmic disasters, as well as parts of the world that have ties to the creation of the Earth from a scientific point of view. From the Ice Age, to the Meteor that struck the Earth 65 million years ago, to Krakatoa--watch as Martin and Liz learn How the Earth works!