Chicago has spent decades trying to get rid of rats. Traps, poison, you name it. None of it has changed our title as the rattiest city in America, but in the alleys of Lincoln Park, a new experiment ...

Add Yahoo as a preferred source to see more of our stories on Google. If the trap's a-rockin', don't come a-knockin'. New York City's fight against rats has entered the furry beasts' bedrooms, with ...

Recently, New York City’s (NYC) proposed experiment with rodent contraceptives to combat rats became global news. The step was labelled by the city mayor as a “new paradigm in urban rat management.” ...

John B. Calhoun's mice had unlimited food, no predators and space to spare. Their population still collapsed into castes and died out — here's what it proves.

Chicago has spent decades trying to get rid of rats. Traps, poison, you name it. None of it has changed our title as the rattiest city in America, but in the alleys of Lincoln Park, a new experiment ...