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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

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

Writer Richard Rodriguez views his so-called brown identity as a racial mixture, dating back to the colonization of the Americas. He tells us why he celebrates being brown, and embraces the term "Hispanic."

To The Best Of Our Knowledge

Biologist Steven Austad is so confident human beings will soon live to be 150 years old that he’s bet on it with a colleague: Jay Olshansky, who says we’re already living way past our expiration date!

To The Best Of Our Knowledge

Since her creation in 1941, Wonder Woman has become one of the most popular superheroes of all time, as well as an beloved icon of second-wave feminism. It also turns out she has a fascinating origin story that intersects with the Women's movement of the early 20th century, the lie detector, and even involves the founders of Planned Parenthood. Historian Jill Lepore tells Steve Paulson about these connections, and talks about Wonder Woman's eccentric creator.

To The Best Of Our Knowledge

Toni Morrison may be a Nobel Laureate, but she still gets labeled a “Black woman writer.” She talks about her childhood and how the Civil Rights Movement magnified class differences.

To The Best Of Our Knowledge

There’s a Modern Caveman Movement afoot. And their inspirational leader is 76 year-old Arthur De Vany. A man who says we all should be mimicking our caveman ancestors.

To The Best Of Our Knowledge

Stephen Prothero tells Steve Paulson about the first American cremation, which didn’t really go very well, and the current craze for going out in a blaze of glory. 

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