Miniature, lab-grown models of the human brain's wrinkled surface can be used to patch injuries in the brains of living rats and thus repair broken connections in the rodents' sensory processing ...

Scientists have completed a brain cell transplant, combining lab-grown clumps of human brain cells with those of newborn rats. The experiment is disturbing, but there's a good reason behind the move.

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 ...

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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 ...