Millions of years of physical evolution and our complex societal behaviour patterns are no further on from cavemen. A recent article in the New Scientist magazine pulls together studies from eminent psychologists and neuroscientists the world over, in support of a single simple premise – we have all become ‘sloppy thinkers’. The art of critical thinking is a learned craft that requires constant use to prevent a dulling of its edge. Questioning the validity of reports, weighin