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 ...
THIS ARTICLE IS republished from The Conversation under a Creative Commons license. We crafted our first rodent car from a plastic cereal container. After trial and error, my colleagues and I found ...
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 ...