An electronic tongue for protein analysis

(Phys.org)—Electronic noses are used to sniff out exhaust fumes and assist with quality control of foods. Less well known is the fact that equivalent devices, electronic tongues, are capable of recognizing dissolved substances. ...

New catalyst could improve production of glass alternatives

(Phys.org) -- University of Oregon chemists have identified a catalyst that could dramatically reduce the amount of waste made in the production of methyl methacrylate, a monomer used in the large-scale manufacturing of lightweight, ...

Mars scientist explains why NASA chose Gale Crater for new rover

NASA chose Gale Crater as a landing site for its Mars Science Laboratory rover because the giant crater probably had conditions that may have once hosted life. The bottom layers near the crater floor "have minerals in them ...

Opportunity rover finds mineral vein deposited by water

(PhysOrg.com) -- NASA's Mars Exploration Rover Opportunity has found bright veins of a mineral, apparently gypsum, deposited by water. Analysis of the vein will help improve understanding of the history of wet environments ...

How ammonia affects city's air

(PhysOrg.com) -- Motor vehicles and industry are primary producers of ammonia in Houston's atmosphere, and cars and trucks appear to boost their output during the winter, according to a new study by researchers at Rice University ...

NASA trapped Mars Rover finds evidence of subsurface water

(PhysOrg.com) -- The ground where NASA's Mars Exploration Rover Spirit became stuck last year holds evidence that water, perhaps as snow melt, trickled into the subsurface fairly recently and on a continuing basis.

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