The viral Chicago ‘Rat Hole’ almost certainly wasn’t made by a rat Researchers used methods from paleontology to analyze the quirky local landmark, created when a rodent of a certain size fell into wet concrete.

The viral Chicago ‘Rat Hole’ almost certainly wasn’t made by a rat #Science #Biology #Microbiology #ChicagoRatHole #MicrobiologyMystery #UrbanWildlife