<p>Climate experts are shocked by the rate at which greenhouse gases are rising. New US government figures show CO2 levels have already topped experts' worst-case scenarios. But if driving hybrids and switching to fluorescent bulbs isn't enough -- what is? William Powers presents a vision of truly sustainable living in an off-the-grid, 12x12 cabin.</p>
Intelligent. Optimistic. Curious.
Audio
The process of data sonification is exactly what it sounds like: the translation of data points into various sounds, each with unique characteristics that can change over time. So instead of turning your spreadsheets into charts and graphs, they can now be turned into a kind of music. Matt Kenney demonstrates how it's done.
A growing number of secular scientists and philosophers are rejecting the term "atheist" in favor of a definition that acknowledges the wonder and mystery of the world around us.
Tad Pierson runs a tour business called “American Dream Safari.” He takes his clients on tours of Memphis and into Mississippi in his 1955 Cadillac named Mansfield.
Sherman Alexie is one of America’s most acclaimed young writers with strong opinions about what it means to be a “real” Indian.
Wangari Maathai won the Nobel Peace Prize in 2004. She is dedicated to re-foresting Africa and talks with Steve Paulson about some of her Greenbelt Movement projects. Her memoir is called "Unbowed."
Dubbed a secular mosque for the Arab world, the Burj Khalifa dominates the Dubai skyline. As it should: it's by far the tallest building in the world. It's so tall that during Ramadan, Muslims living on higher floors have to break their fast 2 minutes later than those on lower floors because they see the sunset later in the day.
Steve Paulson sat down with legendary architecture critic Paul Goldberger to talk all things Burj Kalifa.
James Gleick is a science writer with a particular interest in the cultural impact of technology. He's written a number of best-selling books, including "The Information," "Faster," and "Chaos." And Gleick's just come out with a mind-bending book called "Time Travel: A History."
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