Audio

To The Best Of Our Knowledge

Thomas Pakenham’s passion for trees has led him all over the world.  He tells Anne Strainchamps that trees can be majestic, sacred, and haunting.

To The Best Of Our Knowledge

In a small town in northern Wales you'll find a playground where it's normal for kids to play with rusty tools or build fires. It's called the Land, and it's an example of an adventure playground — where kids are free to take risks. The Land's manager, Claire Griffiths, gives us an insider's view of an adventure playground.

To The Best Of Our Knowledge

Robert Zubrin explains how he thinks we should go about colonizing Mars, and how settling a new world will save this one.  And he describes how NASA’s using his ideas.

To The Best Of Our Knowledge

Senator Russ Feingold is a Democrat from Wisconsin who sits on the Senate Intelligence Committee. 

To The Best Of Our Knowledge

Comedian and writer Tony Hawks conceived the daft idea of hitch-hiking around Ireland with a small refrigerator.

To The Best Of Our Knowledge

Sarah Eltantawi talks with Anne Strainchamps on what life has been like for Arab-Americans since 9-11.

To The Best Of Our Knowledge

Steven Johnson talks about his new book, "Future Perfect: The Case for Progress in a Networked Age."

To The Best Of Our Knowledge

Susan Krieger not completely blind, but her vision is bad enough to make her legally blind. She recently got a guide dog, Teela, who is now her constant companion.

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