Episode 46 – Harvard Geologist Andy Knoll Sums Up The Grand Sweep Of Earth’s History
Harvard University geologist Andrew H. Knoll takes on the grand sweep of Earth’s formation and evolution in his new book “A Brief History of Earth: Four Billion Years in Eight Chapters. He succinctly describes Earth from its cosmological beginnings in a molecular cloud on through to the present day. It’s a fine line between the vacuum of space and the planet on which we walk.
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