Is mathematics what's most real in the universe? MIT physicist Max Tegmark thinks so, and he says it's likely we live in one of many parallel universes.
Intelligent. Optimistic. Curious.
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Anthropologist Jeremy Narby went to the Peruvian Amazon to study the Ashaninca Indians. The experience transformed his outlook on life, especially once he tried their powerful hallucinogen ayahuasca.
Penelope Fitzgerald is considered one of the great British novelists of the last half-century. Remarkably, she didn't begin writing until she was nearly 60 - and that's partly what attracted biographer Hermione Lee.
With mounting concerns over student debt, we're thinking about higher education this week. Christopher Newfield teaches literature and American Studies at the University of California at Santa Barbara. He believes rising tuition and reduced state funding are threatening the nation's public universities.
Michael Timmins writes the music and lyrics that his sister Margo Timmins sings as part of The Cowboy Junkies.
Michael Dirda tells Anne Strainchamps that modern readers of Beowulf owe a great deal to J.R.R. Tolkien.
Dr. Maden Kataria founded Laughter Clubs International – groups of people who meet to laugh aloud together.
Parker Palmer is a writer and educator who's spent a lot of time thinking about the question, "What makes life worth living?"
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