Scientists are combing the universe for signs of exoplanets -- planets that orbit a star other than our sun. They're finding them in record numbers. Most believe it's only a matter of time before they find an exoplanet that can -- and perhaps does -- suppport life. Sara Seager is a planetary scientist at M.I.T. and one of the pioneers of the field.
Intelligent. Optimistic. Curious.
Audio
What's Nobel Prize-winning physicist Steven Weinberg's Dangerous Idea? How beauty leads to scientific discovery.
Sven Birkerts tried to write a novel, but realized he had more success writing about fiction than writing fiction. He tells Steve Paulson how he became a literary critic.
Author Sam Harris's Dangerous Idea? Free will may be an illusion.
What is water? When Anne Strainchamps asked Wisconsin's Poet Laureate, Kimberly Blaeser called up the story and myth of the Anishinaabe. Blaeser says growing up on the White Earth Reservation, surrounded by lakes, made her who she is today.
Why are millions of British TV viewers obsessed with the Danish TV show The Killing? And will Americans ever get to see the original? We catch up with the show's creator, Danish writer/director Soren Sveistrup.
Sherman Alexie is a one-man culture industry. He's also pretty much a rock star guest. Steve Paulson and Veronica Rueckert look back on his first interview with TTBOOK.
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