A group called NO/AIDS heads into bars to offer free HIV testing for high-risk people. Writer Nathaniel Rich tells the story of one man's test.

A teenage girl gets bitten by a shark, rushed to the doctor's office, stitched up, and told she'll be totally fine. Crisis averted, right? Not so much.

For a year, Morgan Block saw her pilates instructor, Mary Archbold, twice aweek. She watched closely as Mary demonstrated moves and corrected poses.

Host Ira Glass speaks with various people who regularly eat foods that give them severe allergic reactions, stomach cramping and trips to the hospital.