Jon Ronson was assigned by The Guardian newspaper to find out how easy it would be to build a dirty bomb. So he did.
Intelligent. Optimistic. Curious.
Audio
Richard Hand describes several of the programs that made that period the Golden Age of radio.
Jason Spingarn-Koff is a film-maker whose new documentary is called "Life 2.0." It tells the stories of several people who immerse themselves in the "Second Life" computer game...
Shocking acts of violence are committed in the name of religion, but Karen Armstrong says we're too quick to blame faith for violence and intolerance around the world.
Mamek Khadem's soundtrack for an art installation commemorating the anniversary of the Iranian Revolution.
Would you like to sharpen your memory? Science writer Joshua Foer tells you how to build an elaborate memory palace.
Jerry Apps is a rural historian and chronicler of country life. His book "Old Farm" is a kind of deep history of his land in Wisconsin.
We present two takes on the question of whether or not the world's supply of oil is drying up. Princeton's Ken Deffeyes says production has peaked. Danish statistician Bjorn Lomborg says that's just crying wolf.
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