Goose-stepping in unison may have been used by the Nazis to help brainwash people into following their cause, a new study suggests. Researchers have found that if groups perform tasks in unison, such as marching, dancing and chanting, they show more loyalty towards each other and are less likely to go against the norm. The findings, published in New Scientist, could explain why the likes of Hitler and Mussolini both seemingly had the ability to bend millions of people to their will. Dr Scott Wiltermuth, of Stanford University in California and colleagues, have found that activities performed in unison, such...