Is mass hysteria more common than you think?

Today on Nudge, Professor Katie Slocombe shares how chimpanzees handle power, build alliances, and jostle for status in their troop. It’s the first time on Nudge that we’ve looked at the primate roots of leadership and influence, with plenty of insight into how we humans behave a ...  Show more

16 years ago a chain of Chinese restaurants wanted to increase sales without changing the price. They didn’t change the product. The service. The chef. The food. Instead, they changed two words on their menu and increased sales by 18%. The restaurants used the advice of today’s g ...  Show more

Throughout the history of the world, there have been many cases of what is known as collective hysteria - groups of people, usually young women, who all exhibit the same physical symptoms of non-existent conditions. Is it psychosomatic? Is it group think? Find out in this clas ...

Rediffusion Le roman d'Horace McCoy, "On achève bien les chevaux", dont Sidney Pollack tira, en 1969, un film remarqué, évoque avec force ces marathons de danse organisés pendant la Grande Dépression, qui frappa les États-Unis durant les années 1930.Ils voyaient s'affronter des c ...  Show more

When people think of Medieval diseases, hysterical dancing is not usually what first comes to mind. Yet in 14th and 15th century Germany, dozens of ordinary people claimed to be infected by the ‘dancing plague’. What was this mysterious phenomenon? What caused it? And was it e ...

CIA agents in Havana complaining of mental fog, dizziness and ear pain in 2016. Children in Miami in 1974, hyperventilating and wracked with abdominal pain. A medieval outbreak of the “dancing plague”. A chorus of meowing nuns. These mysterious and seemingly disparate events may ...  Show more