Rational Ignorance

Of course, it is a cliché of our times that we suffer from information overload because of the ubiquity of electronic media. And for fifty years, cognitive scientists have been harping on the limitations of the brain in processing information. Some have argued that Grice’s cooperative maxims are a way to manage the flow of information in a conversation, maximizing the rate of transmission of usable knowledge. But the ultimate reason our speech is so indirect may lie in a different danger ...

 Children Learn New Languages More Easily Than Adults

Other, less tragic kinds of evidence also support this idea. Most people have a much more difficult time learning a second language late in life than they do in childhood. Immigrants may try to learn the language of their new country, only to be outdone by their own children. When we visit a foreign country for a while, our kids seem to be happily chatting with the other kids in the playground, while we are still painfully looking through the phrase books. When we learn a second language past...