A new report says traffic in the U.S. is worse than it's been in years. But some say there are reasons to be optimistic. For this month's Environmental Outlook: How revitalized urban centers and new modes of transportation are changing how we get around our cities.
Civil engineer Henry Petroski has chronicled the evolution of pencils, paperclips, and other "useful things" in previous books. In his new memoir, Paperboy, he writes about the childhood influences, such as his bike and his paper route, that led to his lifelong fascination with the workings of everyday objects.
- Henry Petroski professor of civil engineering and history at Duke University.
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