One study found that rats emitted ultrasonic vocalizations when they were subjected to manual somatosensory stimulation, i.e., tickling. The results of this controversial research were published in ...

The social behaviors of the Rattus norvegicus, commonly known as the Norway rat, are far more complex than previously thought, according to a team of researchers from ELTE Eötvös Loránd University.

In a new study Indiana University researchers observed episodic memory in rats to a degree never documented before, suggesting that rats can serve as a model for complex cognitive processes often ...