Host Ira Glass talks with science writer Paul Hoffman about a mathematician named Frank Nelson Cole, who demonstrated a groundbreaking idea at a conference in 1903. Paul explains that in addition to their celebrated breakthroughs, many of the greatest thinkers in history have entertained some very crazy ideas.

The podcast and stream versions of the show include a story here that is not included in broadcast. It catches us up with an Iraqi translator named Basim, who fled the country to Norway after his life was threatened because he aided the American forces.

There's a part of Brazil that was almost all rainforest until the 1970s, and over the next few decades a million people moved in, cutting down the forest and building towns and cities. Monte Reel was the South American correspondent for the Washington Post in the mid 1990s, when he started hearing rumors of a "wild man," the last member of a tribe, who lived completely alone in this area's remaining forest. Reel's book about the quest to find and save this man is called The Last of the Tribe.

In the 1970s, Dave Kestenbaum's cousin Dan Weiss got promoted from stocker to gift shop manager at the Kennedy Center for the Performing Arts in Washington DC. It was a good job... except for the fact that the place was bleeding cash because of apparent embezzlement.

"Thug" is a very imprecise word. And as producer Nancy Updike explains, the subjectivity of its meaning has been particularly apparent during the recent revolution in Egypt.

We sent several correspondents straight to the epicenters of middle school awkwardness: School dances. Producers Lisa Pollak and Brian Reed, plus reporters Eric Mennel, Rob Wildeboer and Claire Holman spoke with kids across the country during the nervous moments leading up to the dances.

Allison Silverman reports on This Is Your Life, a show from the 1950s where unsuspecting—and often famous—audience members would have their biographies created on the spot for 40 million viewers. But is that really a present you'd want to receive? Allison is an Emmy Award-winning writer who has worked on The Daily Show, The Colbert Report, and Late Night with Conan O'Brien.

Host Ira Glass spends time in perhaps the toughest room on earth, the editorial meeting at the satirical newspaper, The Onion, where there's one laugh for every 100 jokes.

It's hard to give things up. Host Ira Glass tells the story of Walter, a three-year-old boy who had to give up his pacifier, and then, wanting comfort, asked all the adults around him to tell the stories of when they gave up their pacifiers.

Host Ira Glass speaks with former FBI agent Bill Tobin about police collusion with organized crime in 1970s Chicago. It turns out that old boys networks like the mob pull in good and bad cops alike.

Host Ira Glass speaks with Jim McManus, whose book Positively Fifth Street inspired Ira to start playing poker. Jim talks about holding and folding, why a poker novice is sometimes the toughest player to beat...and the Cuban Missile Crisis.

We realized that there are already reporters on the ground, embedded inside middle schools: The kids who report the daily announcements, sometimes on video with full newscast sets. Producer Jonathan Menjivar wondered what would happen if instead of announcing sports scores and the daily cafeteria menu, the kids reported what's really on their minds.

We sent a reporter named Dan Grech to the Hundred Year Starship Public Symposium, which aims to tackle the technological problems related to interstellar space travel. And as host Ira Glass explains, Dan found this gathering to be way more adventurous than your average scientific conference.

In Malawi, in southeast Africa, not gossiping can be worse than gossiping. Sarah interviews a young Malawian woman named Hazel Namandingo, who explains that because so many people have HIV and AIDS in Malawi, they often rely on gossip to figure out who's safe to date or marry.

In this terrible economy, we wanted to hear the sound of someone actually getting a job, and producer Lisa Pollak recorded it in the Holland Michigan office of Novo 1. On Tuesday of this week, Deborah Ozga was interviewing applicants for 15 new call center jobs.

Ira speaks with Middle East specialist Michelle Dunne to answer this question: Before the recent Arab uprisings, just how hard was the US pushing the government of Egypt to enact human rights reforms? (7 1/2 minutes)

When Domingo Martinez was growing up in a Mexican-American family in Texas, Domingo's two middle school aged sisters found a unique way of coping with feelings of inferiority. This story comes from Martinez's memoir The Boy Kings of Texas.

David Ellis Dickerson tells the story of heading home to Tucson after six years away, having rejected the evangelical Christianity of his family. David came prepared for war, armed with new beliefs.

In the wake of the tsunami and nuclear disaster at Fukushima, some people suspected that Japanese government officials have not been forthcoming about the actual level of danger from radiation. No one, however, is suggesting a cover-up as extreme as what happened in the Soviet Union after the 1986 Chernobyl nuclear disaster.

Joshuah Bearman's story continues. Chris Butler makes a transition into true criminal behavior.

NPR reporter Laura Sydell and This American Life producer/Planet Money co-host Alex Blumberg tell the story of Intellectual Ventures, which is accused of being the largest of the patent trolls. The investigation takes them to a small town in Texas, where they find a hallway full of empty companies with no employees.

Jyllian Gunther visits The Brooklyn Free School, where there are no courses, no tests and no homework, and where the kids decide everything about how the school is run, including discipline.