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To The Best Of Our Knowledge

Tim Flannery tells Steve Paulson about the asteroid crashes and vanished fauna in our continent’s past.

To The Best Of Our Knowledge

Steph Davis is a renowned rock climber who's considered one of the best in the world. But after the death of her husband, Mario Richard, nearly a decade ago, she discovered a new and potentially more dangerous career -- as a skydiver, BASE jumper and wingsuit flyer.

To The Best Of Our Knowledge

David Mikics talks about his book, "Slow Reading in a Hurried Age."

To The Best Of Our Knowledge

Susan Jacoby gives several frightening examples of the way American culture is dumbing itself down, and how poorly educated many American college graduates are.

To The Best Of Our Knowledge

Walter Moskowitz learned tattooing from his father William, who did tattoos from the basement of his barbershop called Willy’s. In bruising Bowery fashion, the shop offered a unique service.

To The Best Of Our Knowledge

Russell Shorto is the author of "Descartes' Bones: A Skeletal History of the Conflict Between Faith and Reason."

To The Best Of Our Knowledge

Have you ever heard that space is a vaccuum? That space is totally silent? Well, neither of those things is exactly true. Thanks to the research of physicist Don Gurnett, we now know there are thin layers of gas in space that produce all kinds of interesting waves — including sound waves. In this segment, we talk with Gurnett about his research and listen to some downright strange and wondrous sounds from both near and deep space.

To The Best Of Our Knowledge

Sarah Vowell is obsessed by presidential assassinations.

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