Human expertise: it’s not what you know, it’s who…

Sharing knowledge is a form of playing, say Steven Sloman and Philip Fernbach. And it depends heavily on others
Most things are complicated – even things that seem simple. You wouldn’t be shocked to learn that modern cars or computers or air traffic control systems are complicated. But what about, say, toilets?If you take a minute and try to explain what happens when you flush one, do you even know the general principle that governs its operation? It turns out that most people don&rs