Heavy metal had calming effect on monkeys who ignored classic rock and jazz
                                
                                
                                    (Newser) -
                                    Monkeys subjected to a range of human music ignored Bach, Nine Inch Nails, and jazz, but found Metallica soothing, the Daily Telegraph reports. The experiment on a group of cottontop tamarins, carried out by a psychologist and a cellist, found that while the monkeys showed no response to human music,...