Maddy has a degree in biochemistry from the University of York and specializes in reporting on health, medicine, and genetics. Maddy has a degree in biochemistry from the University of York and ...

Rats make a high-pitched sound similar to laughter when they're being tickled. Pexels / Denitsa Kireva Rats, they’re just like us: The oft-maligned rodents love to play games and be tickled, and ...

The rats reacted accordingly, tending to avoid pressing the lever in response to the tone and pressing it in response to the white noise. But when researchers obscured the light bulb with a piece of ...