Tuesday, August 9News That Matters
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Clean air target 'could be met more quickly'

Clean air target 'could be met more quickly'

Science
Targets for reducing illegal levels of NO2 pollution from vehicles will be achieved more quickly than the government expects, a study says.Researchers say government projections of future NO2 are too pessimistic, because they ignore the latest real world data.They say cities may achieve roadside emissions standards several years earlier than ministers expect.The research is published in the journal Nature Geoscience.The authors at the University of York warn that despite the adjustment, the government is still lagging badly on NO2 targets.And they say the air in the UK's big cities remains dangerously polluted from many different compounds. But how did the government miscalculate NO2?The authors say it's because they relied on projections of future emissions, rather than on real world road...
Daytime wounds 'heal more quickly'

Daytime wounds 'heal more quickly'

Health
Wounds heal more quickly if they occur during the day rather than after dark, a study suggests. It found burns sustained at night took an average of 28 days to heal, but just 17 for those that happened in daytime.The team, at the UK's MRC Laboratory of Molecular Biology, said they were astounded by the difference they saw in 118 burns patients they studied. The effect was explained by the way body clock ticks inside nearly every human cell across a 24-hour cycle.The research, published in Science Translational Medicine, examined 118 patients at NHS burns units. It showed the average 11-day difference in healing times between people hurt at night and during the day.Detailed lab work showed skin cells called fibroblasts were changing their abilities in a 24-hour pattern.Fibroblasts are the b...