Footage was released of the horrific moment vengeful monkeys beat and attempted to drown a thieving rat for stealing their food at a zoo in China. Video of their medieval justice-serving method is ...

and laugh when being tickled. In addition to these excellent research projects a new study shows that rats will rescue drowning rats rather than eat chocolate. A good review of this study can be ...

In use: Aunt Siu-yee wouldn’t let us back in the flat after we were caught in the storm because we looked like a pair of drowned rats. The rat race Meaning: an unpleasant, overly competitive way ...

The clip shows that after the stunned rat stops moving, one monkey takes it to the waterhole, apparently to drown it. After repeatedly dunking it in the water, the monkey pokes at the rat to see ...