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To thwart counterfeiting, UK mint proposes new pound coin

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.

By Mar. 19, 2014

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New flu detection test can be carried in a first aid kit

A novel device out of Brown University could lead to the widespread, real-time tracking of influenza.

By Jun. 13, 2012

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Agrivida teaches biofuel crops to self-destruct

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.

By May. 19, 2011

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Sensor promises disease detection with naked eye

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.

By Oct. 31, 2012

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IEEE awards prizes for tech that benefits humanity

Student projects for handheld diagnostic tool and technology for helping handicapped children win awards from the society for electrical and electronic engineers.

By Jun. 25, 2009