David Rakoff tells a story about an actual pursuit—a scavenger hunt—that takes hundreds of hours to create ... done for the sheer pleasure of it.

All those people you see in the middle of the workday, in coffee shops and bookstores? Who are they? Why aren't they at work? Reporter George Gurley tackled these tough questions. On four separate days, he interviewed these loafers in New York.

Stories about rats in the city, from Kate Aurthur (former rat columnist for New York magazine), and from a Mark Lewis documentary called Rat. When rats arrive in our homes, we remember why we as a species wanted to tame nature in the first place.

Writer/Comedian Amanda Marks shares the story of a couple that didn't fall in love, didn't get together, didn't form a future. Then coincidence and fate kick in...confusingly.

Because of a shortage of math and science teachers, New York City decided to import instructors from Austria. Then the Austrians started to see things about this country that few Americans ever get to see.

Ralph Gentles and five other people spent each summer creating a map of every crack, every depression, every protrusion, every pothole in the sidewalks of New York City. We hear why, and we hear all the things their map does not include.

Manny Howard talks with Paul Tough about why he loved fighting in bars and on the street, and about how hard it is to quit. Manny is the author of My Empire of Dirt: How One Man Turned His Big-City Backyard into a Farm.

Geoffrey Canada, author of the book Fist Stick Knife Gun: A Personal History of Violence in America, talks about what it's like to carry a gun. He also talks about what poor neighborhoods in New York were like before the proliferation of handguns among young people.  When he grew up in the South Bronx, kids had fistfights in a very formal arrangement with formal rules that everyone lived by. He reads from his book and talks with Ira.

New York writer Sarah Miller talks about two men she knows.

Jerry Capeci, dean of the New York reporters who cover organized crime, on the decline of the mob in recent years. And Alec Wilkinson of the New Yorker magazine, who discusses a photo his wife took of his old neighbors, the Gambino crime family.

Brett Leveridge was standing on the subway. A guy comes walking down the platform, stopping in front of each passenger and delivering a quiet verdict: "You're in.

David Rakoff on how he tried to pass as a local once he moved from Toronto to New York. He claims that there must be a chip in his head — or something like it — that automatically tells him when someone or something famous is Canadian.