More than 100 million people have Twitter accounts. Every moment, across the globe, they are posting thousands of short digital messages; that’s a lot of data.
Maybe it can help us keep an eye out for cultural change?
Intelligent. Optimistic. Curious.
Audio
David Greenberger transforms the words of elderly people in his series of "Duplex Planet" zines, comic books, spoken-word performances and radio plays.
If human beings are part neanderthal, Brian Fagan tells Jim Fleming the rest of us is something else - Cro-Magnon.
The documentary, "Examined Life," features eight prominent philosophers, including Cornel West, Peter Singer, Slavoj Zizek and Judith Butler.
Chris Moulin is a cognitive neuro-psychologist at Leeds University.
Journalist David Swanson was embedded in ar-Ramadi with Ryan Jerabek's unit the day Ryan Jerabek died...
Dan Zanes is winning Grammys for his music, often categorized as children's music, but as Zanes tells Anne Strainchamps, his music is for all ages.
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