The yawning gap in neuroscientists’ understanding of their topic is in the intermediate scale of the brain’s anatomy. Science has a passable knowledge of how individual nerve cells, known as neurons, work. It also knows which visible lobes and ganglia of the brain do what. But how the neurons are organised in these lobes and ganglia remains obscure.

Think me not / So dull a devil to forget the loss / Of such a matchless wife.

Similarly, the next time you learn from your reading that the average man (you hear a good deal about him these days, most of it faintly improbable) brushes his teeth 1.02 times a day—a figure I have just made up, but it may be as good as anyone else's – ask yourself a question. How can anyone have found out such a thing? Is a woman who has read in countless advertisements that non-brushers are social offenders going to confess to a stranger that she does not brush her teeth regularly?

They often carry stories you won't find in the mainstream media.