We pay a visit to Reedsburg, Wisconsin's annual Fermentation Fest, a celebration of all things cultured and fermented.
Intelligent. Optimistic. Curious.
Audio
For decades, urbanists have been thinking about cities as organisms. They take in resources, eject waste, spread and grow. Theoretical physicist Geoffrey West decided to put the idea through the mathematical ringer. So, are cities like organisms? Yes. And no.
You can also hear the uncut interview with West.
Aubrey Ralph explains his enthusiasm for the Society for Creative Anachronism, or SCA.
Brian Palmer has been a staff writer at Fortune magazine, Beijing bureau chief for US News and World Report and a correspondent for CNN. He tells Anne Strainchamps that none of that prepared him for Iraq where he was embedded with the First Battalion/Second Marines.
Diane Ravitch was a strong proponent of charter schools and the No Child Left Behind program. She now recognizes the political agenda behind all the recent school cuts and has changed her mind.
Contemplating the multiverse is mind-blowing, but if you want a truly earth-shattering controversy in physics, you have to go back 500 years to Copernicus' radical theory. Dava Sobel tells his story.
The future of farming may be up in the air -- literally. Microbiologist Dickson Despommier's concept of skyscraper farming has excited scientists, architects and politicians. Could multi-story farms solve the global hunger problem?
Ben Kilham raises orphan bear cubs and then releases them into the wild. Steve Paulson visits Kilham at his home in New Hampshire.
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