Millions of people called ancient Egypt home, and the vast majority of them weren't kings or high priests; they were humble farmers and laborers making their living from the rich black soil surrounding the Nile. That extraordinary land produced so much surplus grain that thousands upon thousands of people could be spared from agricultural labor and put to work building some of the most stunning monuments in the ancient world.

Patrick's new book - Lost Worlds: The Rise and Fall of Human Societies from the Ice Age to the Bronze Age - is now available for preorder, and will be released on May 5th! Preorder in hardcopy, ebook, or audiobook (read by Patrick) here: https://bit.ly/PWLostWorlds. And don't forget, you can still Get The Verge: Reformation, Renaissance, and Forty Years that Shook the World in hardcopy, ebook, or audiobook (read by Patrick) here: https://bit.ly/PWverge.

Also Patrick is launching a brand-new history show on December 3rd! It’s called Past Lives, and every episode explores the life of a real person who lived in the past. He'll have a lot more to say about it very soon, so keep your eyes and ears peeled.

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Carbon dioxide is central to the story of Earth from its beginning more than 4 billion years ago all the way up to the present. Peter Brannen joins me to discuss his new book - The Story of CO2 Is the Story of Everything: How Carbon Dioxide Made Our World - an extraordinarily long-term view of the planet's past and future, and why our current path is so unprecedented.

Patrick's book is now available! Get The Verge: Reformation, Renaissance, and Forty Years that Shook the World in hardcopy, ebook, or audiobook (read by Patrick) here: https://bit.ly/PWverge. And check out Patrick's new podcast The Pursuit of Dadliness! It’s all about “Dad Culture,” and Patrick will interview some fascinating guests about everything from tall wooden ships to smoked meats to comfortable sneakers to history, sports, culture, and politics. https://bit.ly/PWtPoD

Listen to new episodes 1 week early, to exclusive seasons 1 and 2, and to all episodes ad free with Wondery+. Join Wondery+ for exclusives, binges, early access, and ad free listening. Available in the Wondery App https://wondery.app.link/tidesofhistory

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

We don't usually think of the Neo-Babylonian Empire as one of the economic powerhouses of the ancient world, but this short-lived state actually oversaw one of the most stunning periods of economic growth anywhere before the Industrial Revolution.

Patrick's book is now available! Get The Verge: Reformation, Renaissance, and Forty Years that Shook the World in hardcopy, ebook, or audiobook (read by Patrick) here: https://bit.ly/PWverge. And check out Patrick's new podcast The Pursuit of Dadliness! It’s all about “Dad Culture,” and Patrick will interview some fascinating guests about everything from tall wooden ships to smoked meats to comfortable sneakers to history, sports, culture, and politics. https://bit.ly/PWtPoD

Listen to new episodes 1 week early, to exclusive seasons 1 and 2, and to all episodes ad free with Wondery+. Join Wondery+ for exclusives, binges, early access, and ad free listening. Available in the Wondery App https://wondery.app.link/tidesofhistory

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.