A quick primer of who’s who, and how the place works.

Ira attempts to solve perhaps the most unsolvable mystery at the Trees of Mystery, in California: Exactly who is the voice of Paul Bunyan? (7 minutes)

Reporter Sean Cole explains the confusion over dosing for Infants Tylenol and Children’s Tylenol. The FDA could have mandated clearer labels that might have prevented infant deaths.

Ben Loory reads his short story about an unlikely friendship that forms between a moose and a man. It's from his fiction collection Stories for the Nighttime and Some for the Day.

Painter Schandra Singh usually sells her paintings to wealthy art collectors. So when she gets a letter from a father of a boy with autism, saying his son loves her work, she decides to do a trade with him, one of her sketches for one of his.

As Benjamin settles in at the clinic, and people got to know him, something interesting happens. Vince’s former patients – who are now Benjamin’s patients – start talking to him about Vince.

Principal Leonetta Sanders is worried that in the wake of a recent shooting, some of her students at Harper might be in danger of retaliatory violence. The threat is so real, she's considering canceling the school's Homecoming football game and dance.

Amity Bitzel was a teenager when her parents decided to adopt a 27-year-old man. And that wasn't the strange part.

Fred Armisen worked up an imitation of Ira and put it into a sketch on Saturday Night Live a couple years ago. But when they rehearsed it with an audience, there was not a roar of recognition; it seemed like Ira might not be famous enough to be mocked on network TV.

Reporter Julia Kumari Drapkin tells the story of Colorado’s State Climatologist, Nolan Doesken. Doesken has long believed that humans are driving climate change, but never connected it to his own life.

At the first day assembly, the freshman seem confused and nervous while the seniors are boisterous and confident. It's exactly the kind of first day stuff you'd expect at any school.

Joe Monti’s real name is Joe Montalbano. But when he started in the car business, he didn't want to lose a sale because a customer couldn’t keep his name straight so he simplified it for the job.

Ira talks with Jonathan Morris, the amazingly funny and charming editor of the website "Gone and Forgotten," an internet archive of failed comic book characters. Jonathan explains what makes a new superhero succeed, and what makes him tank.

Writer Michael Lewis tells the story of a man named Emir Kamenica, whose path to college started with fleeing the war in Bosnia and becoming a refugee in the United States. Then he had a stroke of luck: a student teacher read an essay he’d plagiarized from a book he’d stolen from a library back in Bosnia, and was so impressed that she got him out of a bad high school and into a much better one.

When it comes to love, coincidences tend to loom extra-large. Stephen Lee tells about the time his parents first met his fiance’s parents, and his future mother-in-law dropped a coincidence bomb.

Late in the semester, Principal Sanders takes a look at her budget. It doesn't look good.

Former DC police detective Jim Trainum tells reporter Saul Elbein about how his first murder investigation went horribly wrong. He and his colleagues pinned the crime on the wrong woman, and it took 10 years and a revisit to her videotaped confession to realize how much, unbeknownst to Jim at the time, he was one of the main orchestrators of the botched confession.

A recording of a very unusual conversation that came about in an unusual way. Filmmaker named Eugene Jarecki made a documentary about the drug war, prisons and the criminal justice system called The House I Live In.He’s been taking it around the country and showing it in prisons, and producer Brian Reed went to one of these screenings where an inmate and a corrections staff member ended up talking face-to-face.

Kirk sleepwalks through an open window and into a completely different life. He explains how he starts compiling a list of Iraqis who’d worked with the U.S. government after the invasion, whose lives were now in danger because of that.

Sarah Koenig’s story about the two Dr. Gilmers continues.

Chana Joffe-Walt continues her story about the phenomenal rise in disability payments over the last 30 years, since President Bill Clinton signed legislation pledging to "end welfare as we know it." Turns out, two private sector groups have really contributed to the growing disability roles. One is a group of people you'd probably expect, the other is a shock.

The last day of the month ends.

Host Ira Glass tells the story of Sarah Erush, a pharmacist at the Hospital of the University of Pennsylvania. She was contacted by the Food and Drug Administration and encouraged to examine cases of acetaminophen overdose at her hospital.