Ira Glass tells the story of how science is being used to fight the ultimate neighborhood plague: Dog poop.

Host Ira Glass investigates two urban legends—alligators in the sewer, rats in the toilet—to find out if they're true.

When Luke Davies was 11 years old in Australia, his family moved from the boring suburbs to an incredibly fun place: a tourist park full of attractions, where his dad had gotten a job. There, he was considered kind of a wimpy kid, until he got his chance to save the day.

Lucy was a chimpanzee raised in captivity, who adopted a surprising number of human traits. But this proved problematic—in quite unexpected ways—when her adoptive human parents decided that Lucy should be released in the wild.