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PhysOrg.com
Life in the FastLane: Economist finds E-ZPass program hides tax hikes Eighteen months of road trips between Boston and New York and one Eureka moment inspired MIT economist Amy Finkelstein to study the hidden cost of E-ZPass, the popular electronic toll collection system that eliminates the frustration of manual tolls. The mysterious case of Columbus's silver ore Silver-bearing ore found at the settlement founded by Christopher Columbus's second expedition was not mined in the Americas, new research reveals. The ore that researchers excavated from the settlement, La Isabela, came from Spain, said Alyson Thibodeau, who analyzed the ores. NJIT computer scientist audits government, hospital terms seeking errors Some men seek rare antiques, others hunt wild boar. New Jersey Institute of Technology (NJIT) computer scientist Yehoshua Perl, PhD, creates elegant logical structures to track down errant or misplaced medical terms. The errors creep into documents and databases developed by corporations, government agencies, hospitals and academic institutions that design, maintain and use terminologies throughout a variety of systems. ... |