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. 

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<p>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. </p><p> </p> Learn more about your ad-choices at <a href="https://www.iheartpodcastnetwork.com">https://www.iheartpodcastnetwork.com</a>

From agriculture to the X-ray machine, Stuff to Blow Your Mind hosts Robert Lamb and Joe McCormick explore the inventions we created, and how they created us.

Invention

Roads

https://api.omny.fm/orgs/e73c998e-6e60-432f-8610-ae210140c5b1/clips/338d73af-bb77-4e58-bb49-ae32007fac67/transcript