Lead, Violence, and Society

One reason frequently given for the substantial drop in America’s violent crime rate is lead abatement—a couple decades after it was removed from paint and gas, crime started downwards. But it’s still out there, in houses and the soil of big cities, and the more we know about it, the lower the acceptable limits of lead get.

Photos of the Shrinking Mississippi River

In a couple days, the Mississippi River may shut down shipping traffic in the next couple days, due to low water levels on the Illinois-Missouri border; in a couple weeks, the river could be lower at St. Louis than it’s ever been.