Henry PetroskiDuke University Latest articles by Henry Petroski Here’s How to Fix America’s Crumbling Bridges By Henry Petroski published 23 November 14 Opinion There are about 600,000 bridges in the United States, and about one in four is classified as functionally obsolete or structurally deficient. Opinion Sign up for the Live Science daily newsletter nowGet the world’s most fascinating discoveries delivered straight to your inbox.Contact me with news and offers from other Future brandsReceive email from us on behalf of our trusted partners or sponsors LATEST ARTICLES1What is xeroderma pigmentosum? The rare genetic disorder that forces people to avoid sunlight2Diagnostic dilemma: A rash 'migrated' across a man's body from his anus3China's '2D' chip could soon be used to make silicon-free chips4Catquistadors: Oldest known domestic cats in the US died off Florida coast in a 1559 Spanish shipwreck 5'Vaccine rejection is as old as vaccines themselves': Science historian Thomas Levenson on the history of germ theory and its deniers
Here’s How to Fix America’s Crumbling Bridges By Henry Petroski published 23 November 14 Opinion There are about 600,000 bridges in the United States, and about one in four is classified as functionally obsolete or structurally deficient.
