Megabus, the Recovery of American Downtowns, and the Resurgence of the Bus Industry

Less than a decade ago, intercity bus service looked like an industry in terminal decline. Since 2006, it’s started to recover, with discount carriers adding over a thousand daily operations. Megabus pushed the dying giants to innovate—but the improvement of big-city downtowns has also taken the stigma out of bus travel.

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.