Anyone following American politics in current months could have been handled to their fair proportion of bogus claims: USAID, the nation’s predominant improvement company, despatched $50m value of condoms to the Gaza Strip; tens of hundreds of thousands of deceased centenarians are persevering with to obtain social-security funds; disaster-relief funding was spent on housing migrants in luxurious resorts in New York Metropolis. That so many individuals imagine them nonetheless highlights how an age of social media and political polarisation has blurred the traces between fact and conspiracy principle. Debunkology, or tips on how to unpick beliefs as soon as they take root in individuals’s brains, is struggling to catch up.