One of the coolest things humans have ever figured out is how to use steam as power. It made the Industrial Revolution possible and even today, 88% of America's electricty comes from steam turbines.
Learn more about your ad-choices at https://www.iheartpodcastnetwork.com

Ruth Lyons: TV Pioneer
45:45

Selects: Mangroves: Nature's Best Tree?
44:31

How the Kowloon Walled City Worked
41:27