Urban Rodentology (SEWER RATS) Encore with Bo...

Excuse me, why do you have teeth? How did they get in your mouth and where did they come from? Let’s ask researcher, tooth enthusiast, and Paleohistologist Dr. Yara Haridy. She opened up the archives at Chicago’s Field Museum to chat about ancient skulls, drawers of bones, and th ...  Show more

Tongue twisters. Frosty holidays. Scandals. Big ol’ rodent butts. Let’s talk groundhogs with UCLA conservationist, field biologist, professor and Marmotologist, Dr. Daniel Blumstein. We cover what broadly is a marmot, the Buddhism and paganism of the midwinter slump, marmot paren ...  Show more

To most people, the rat is vile and villainous. But not to everyone! We hear from a scientist who befriended rats and another who worked with them in the lab — and from the animator who made one the hero of a Pixar blockbuster. (Part three of a <a href="https://freakonomics.co ...

New York City’s mayor calls them “public enemy number one.” History books say they caused the Black Death — although recent scientific evidence disputes that claim. So is the rat a scapegoat? And what does our rat hatred say about us? (Part one of a <a href="https://freakonomi ...

The first true lab rat was the Wistar rat, a strain specifically bred for biomedical research. In his “rat universe” experiments, John B. Calhoun placed large numbers of these rats in a controlled environment for more than a year, and found evidence for the same anxieties sparked ...  Show more

Even with a new rat czar, an arsenal of poisons, and a fleet of new garbage trucks, it won’t be easy — because, at root, the enemy is us. (Part two of a three-part series, “Sympathy for the Rat.”)

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