Electronic nose sniffs out viruses

Engineers at the University of Warwick say that development of an electronic nose can recognize organic compounds in infections known as MRSA (methicillin-resistant Staphylococcus aureus), according to a report this week in New Scientist. The technology could help hospitals prevent outbreaks of the supervirus.

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Why do so many of us still buy cars with off-road abilities?

Cities are full of cars like the Subaru XV that can drive off-road but will never see any challenging terrain. What drives us to buy cars with these abilities when we don't really need them most of the time?

by Drew Stearne