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To The Best Of Our Knowledge

For all that's been written about Karl Marx, there's been no book about his marriage to Jenny Marx - until now. Biographer Mary Gabriel explains why Marx's family life had a profound influence on his thinking.

To The Best Of Our Knowledge

Al Franken and Katherine Lanpher present "The Audio Crawl."

To The Best Of Our Knowledge

Plum Kettle weighs 300 pounds and would do anything to lose weight.  But then something unexpected happens.  She gets angry.  Very angry.  Hear an excerpt from Sarai Walker's new novel, "Dietland."

To The Best Of Our Knowledge

Kim Stanley Robinson is renowned for his futuristic science fiction, so he surprised lots of people by writing a novel set in the Paleolithic era. He says recent archeological discoveries, as well as his backpacking in the Sierra Nevada, inspired him to write about our ancient ancestors.

To The Best Of Our Knowledge

Do you think your memory is like a video camera, storing every experience you've ever had?  Historian Alison Winter says we tend to use technology metaphors to think about memory. 

To The Best Of Our Knowledge

What would it be like to spend two days a month in complete silence?

To The Best Of Our Knowledge

A.M. Homes was adopted as a newborn. When she was 31, her biological mother made contact, launching the writer on a years-long quest into her identity.

To The Best Of Our Knowledge

We head back in time now, to the evening of March 8th, 1971.  The night 8 young Vietnam war protestors broke into their local FBI office – in Media, PA – and stole top-secret documents that would rock the nation.  

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