There's this haven on the U.S. railroad—the Amtrak Quiet Car. You can't yammer on your cell phone in the Quiet Car, or yuck it up with your friends, or even talk above a murmur.

Guest host Nancy Updike talks about learning something new, and unpleasant, about herself in — where else — a makeup store. She also talks with other people about moments where someone made an observation about them that was shocking.

Ira Glass hands off the show to guest host Nancy Updike, via a quick cell phone call, as he heads out of town to report a story. Nancy isn't quite sure how how she feels about being given this new role... ambivalence not uncommon for the receivers of gifts.

Back in 2013, comedian Tig Notaro went on a tour that was filmed. It was a strange tour.

For the last 13 years, the University of Montevallo in Alabama has held an event called "The Life Raft Debate," where several professors take the stage and each tries to convince the students that his or her discipline—chemistry, say, or communications—is the most essential field of study. But in 2007, a professor named Jon Smith decided that the debate itself needed saving.