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Global levels of ethane and propane in the atmosphere have been underestimated by more than 50% — ScienceDaily

Global levels of ethane and propane in the atmosphere have been underestimated by more than 50%, new research involving scientists at the University of York has revealed. These hydrocarbons are particularly harmful in large cities where, through chemical reactions with emissions from cars, they form ozone — a greenhouse gas which is a key component […]

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New study finds surprisingly high contribution from paints, pesticides, perfumes as vehicle emissions drop — ScienceDaily

Chemical products that contain compounds refined from petroleum, like household cleaners, pesticides, paints and perfumes, now rival motor vehicle emissions as the top source of urban air pollution, according to a surprising NOAA-led study. People use a lot more fuel than they do petroleum-based compounds in chemical products — about 15 times more by weight, […]

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Too many selfies? You may have “selfitis”

NEW YORK — Selfies have become a part of daily life for many Americans, but if you’re taking too many, psychologists say you might have “selfitis.” Sisters Taelor and Tia Smith, and their friend, Tikia Travis, say they snap hundreds of selfies a day. “It gives me confidence because sometimes I feel you know everything […]

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