Whether or not history will determine that we are living in an ever more divided culture, it certainly feels that way. Perhaps there is just more to argue about when facing a never-ending Ninja Warrior course of crises. The culture wars, meanwhile, strip words of their meaning and debates of their nuance, further pitting communities, generations, families and friends against each other. Among the many casualties of this 21st-century slanging match is – arguably – the art of debate itself. So how do you win an argument in such fractious times without fuelling division? And if arguing is indeed an…

IQ (intelligence quotient) tests aren't the only way to measure intelligence. For one, these tests evaluate specific skills like memory, logic, and problem-solving. But that doesn't encompass all kinds of intelligence or measure people's overall abilities. After all, intelligence is a broad topic and psychologists study it from many different angles. One interesting find is the Dunning-Kruger effect. Essentially, people with low abilities tend to overestimate their competence while smart people often underestimate their brain power. So if someone is unsure about their level of intellect, it may indicate that they are smarter than they might think. At the very…