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To The Best Of Our Knowledge

Reporter Scott Wallace joined Brazilian explorer Sidney Posseulo on an expedition deep into the Amazon in search of one of the last uncontacted tribes, the Arrow People. 

To The Best Of Our Knowledge

Sandor Katz is the guru of the fermentation revival.  He explores the roots of our culture in all things cultured.

To The Best Of Our Knowledge

William Dean teaches theology. His book is “The American Spiritual Culture, and the Invention of Jazz, Football, and the Movies.” 

To The Best Of Our Knowledge

What helps you remember people you’ve lost? Take a look at what other listeners have shared, and share a photo of your own via Twitter or Instagram using the hashtag #TTBOOKonDeath.

To The Best Of Our Knowledge

Before the Internet, a good memory wasn't just useful; it was prized as a sign of intelligence. And there were memory geniuses who developed mental tricks for storing information. Philosopher and novelist Simon Critchley delves into the fascinating history of the memory palace, which once promised almost God-like wisdom.

To The Best Of Our Knowledge

Roy Blount Jr. is a humorist, word maven and the author of "Alphabet Juice"...

To The Best Of Our Knowledge

Susan Casey, author of "The Wave," tells Jim Fleming about the recent research into the phenomenon of mammoth ocean waves.

To The Best Of Our Knowledge

Walter Isaacson tells Steve Paulson that Einstein had a rebellious nature and that he didn't impress his teachers.

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