Industrial cities like Detroit have high levels of lead in the aging housing stock and in soils. Researchers found that the amount of soil lead in Detroit that gets suspended in the air correlated with the levels of lead in kids' blood.
Lead poisoning in kids is hardly the problem it used to be, now that we've stopped using lead in house paints and gasoline. But the lead that lingers outside and in old homes is still dangerous if kids are exposed to it.
The first day of the latest talks between Iran and the so-called P5+1 group about the Persian nation's nuclear ambitions has ended with reports of a "shaky" start and Western diplomats saying they are puzzled by what Iran brought to the table.
I'm Michel Martin and this is TELL ME MORE from NPR News. Later in the program, we will speak with a Christian leader who's led his church to rethink both its politics and its worship. It's the Reverend Cecil Williams of San Francisco's Glide Memorial Church. He and his wife, who's also a church leader, will join us for a Faith Matters conversation in a few minutes.