Rats come one step closer to becoming snobby and pretentious

Feedback is New Scientist's popular sideways look at the latest science and technology news. You can submit items you believe may amuse readers to Feedback by emailing feedback@newscientist.com Feedback has reached an age where even a small amount of alcohol makes us sleepy, so the notion of going to a wine tasting holds no appeal. It seems a terribly time-consuming and expensive way to have a nap. However, purveyors of fermented grapes could soon have a new demographic to cater to: rats.