A rat can appear completely silent while making a sound that falls far beyond the range of human hearing. Around 50 kilohertz, these ultrasonic vocalisations are produced during play, social ...

"It's as if there's a bird dawn chorus happening all night, but we would never know because we can't hear it." ...

A team of neurobiologists at the University of Haifa's, Sagol Department of Neurobiology has found, via the use of novel miniature microphones, that rats make sounds when in the company of other rats ...

We’ve all been there: after a particularly long and stressful day, nothing sounds better than heading to the nearest watering hole for a drink. There’s a reason for this—stress and alcohol target ...