On this edition of Chicago Tonight's Field Trip, Jim Louderman, a researcher from The Field Museum, takes us to Northerly Island to collect a sample of bugs. He then shows us how the museum is able to catalogue samples, and how it is used to identify changes in the environment. View a slideshow of photos, and watch episode 3 of our web series below:

In the following Fact vs. Fiction video, Louderman breaks down some common myths about our multi-legged neighbors:

- Photos by Hope Holmberg