Americans sometimes ask what the government does and where their tax money goes. Among other things, it pays for all kinds of invisible but essential safety nets and life belts and guardrails that are useless right up until the day they are priceless.
Emotional life grows out of an area of the brain called the limbic system, specifically the amygdala, whence come delight and disgust and fear and anger.
In design as in life, smart can also mean wise, kind, inspiring - and cost-effective. And that has a charm all its own.
I'm sentimental about many things: the lumpy feel of a baby's unused feet, the metallic smell of the air before the first snow, the last scene in 'It's a Wonderful Life.' But Valentine's Day leaves me cold.
Photographer James Nachtwey has spent his professional life in the places people most want to avoid: war zones and refugee camps, the city flattened by an earthquake, the village swallowed by a flood, the farm hollowed out by famine.