A rat infestation can destroy packaged food, packing materials, electric cables, and other important vulnerable materials. Rats have a highly developed sense of smell and avoid strong, pungent odors, ...
If you tickle a rat's belly, it squeals with laughter. However, we are unable to perceive this laughter as its frequency, around 50 kHz, exceeds the range of human hearing. Neuroscientist Jaak ...