Rats seem to emit ultrasonic squeaks of happiness just because they are in the company of another rat. Using newly developed miniature microphones that were placed on rats’ noses, scientists have been ...

To be a pest is to be underestimated. Sure, pests are annoying, but being a pest also requires a surprising amount of ...

An estimated three million rats live in the city, which is a little over one-third of the human population. A new study found rats alter their vocalizations depending on the environment and level of ...