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A new 12-sided design has both covert and overt signs that make it easier to find fakes. But modernization only goes so far: the 766-year-old Trial of the Pyx tradition lives on to check the metals.
A novel device out of Brown University could lead to the widespread, real-time tracking of influenza.
Seeking out cheaper biofuels, Boston-area start-up uses protein engineering to instruct sorghum and corn stover plants to break down more quickly into sugars.
Low-cost color-coded sensor out of the U.K. could let doctors in developing countries detect the presence of viruses including HIV at a glance.
Student projects for handheld diagnostic tool and technology for helping handicapped children win awards from the society for electrical and electronic engineers.