Invention

Roads

02.04.2019 - By iHeartPodcastsPlay

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Roads go ever, ever on, but where do they come from? What key innovations link the animal paths of pre-human times with the massive highway systems we know today? Robert Lamb and Joe McCormick explore in this episode of Invention.  Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

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