#125 - A Geological History of The Earth: A Dialogue with Andrew Knoll

In this episode, Xavier Bonilla has a dialogue with Andrew Knoll about the geological history of the earth. They discuss how light, gravity, dark energy, and dark matter explain the early origins of the universe and earth. They also talk about the various layers of the earth, zircons, tectonic plates, and how one defines life. They also talk about how geology can assist in telling the time of earth, why the geologic timescale is important, and the early Ediacaran and Cambrian periods. They also talk about the impact of climate change, human involvement, and many other topics. 

Andrew Knoll is the Fisher Professor of Natural History at Harvard University. He has a BA and PhD in Geology. He has been an Associate Professor of Biology at Harvard University since 1982. For the past decade, he has served on the science team for NASA’s MER mission to Mars. He is the author of the most recent book, A Brief History of Earth. You can find his work here. 

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