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Podcast: Clear+Vivid with Alan Alda
Episode: Marcia Bjornerud: The Wisdom of Rocks
Description: Offsprings of the Earth – Earthlings – we are most of us ignorant of the 3.5 billion years of experiments our planet has been through to produce us. Yet the story is there in the rocks all around us – if only we can decipher what they have to say. Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.