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If you think laughter and comedy are reserved strictly for humans, you’d be wrong. A study in the late 1990s showed that creatures like rats emit ultrasonic vocalizations while playing with or ...

Researchers identify "meal memory" neurons in laboratory rats that could explain why forgetting lunch leads to overeating. Scientists have discovered a specific group of brain cells that create ...

Experiments conducted in Brazil using laboratory rats have shown that graphene-based structures can act as a powerful ally in ...

Rats mislike loud noises, as many a laboratory worker knows. And a shrill noise may throw them into something like an epileptic fit. This elementary experiment has long served as an introduction to ...

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 ...