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Science News for April 11, 2020


Indices of health under our feet

A new study using wastewater-based epidemiology (WBE) analyzes caffeine, tobacco, and alcohol consumption in a large university population, providing valuable data on psychotropic compound use. The findings highlight the utility of long-term monitoring networks for improving student health and identifying disease trends.

SourceArizona State University·JournalThe Science of The Total Environment·DateApr 11, 2020

Observing the atmosphere at high altitudes using unmanned aerial vehicles

Researchers found that UAV sounding data can improve Antarctic weather forecasting, especially for temperature, wind speed, and humidity predictions. The limited flight altitude of UAVs restricts the improvement to the atmospheric boundary layer.

SourceInstitute of Atmospheric Physics, Chinese Academy of Sciences·JournalAdvances in Atmospheric Sciences·DateApr 11, 2020
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Reducing sulfur dioxide emissions alone cannot substantially decrease air pollution

A recent study found that reducing sulfur dioxide emissions alone can significantly decrease air pollution, mainly due to the stability of ammonium nitrate formed with nitrogen oxides and ammonia. In China, nitrogen dioxide control is more effective in reducing surface PM2.5 concentrations.

SourceInstitute of Atmospheric Physics, Chinese Academy of Sciences·JournalAtmospheric and Oceanic Science Letters·DateApr 11, 2020

Skoltech researchers find a new HIT defense bacteria use against antibiotics

Skoltech researchers have found a new mechanism of bacterial self-defense against microcin C, a potent antibiotic produced by some strains of Escherichia coli. The discovery involves histidine-triad (HIT) superfamily hydrolases, enzymes that break down the antibiotic and render it useless.

SourceSkolkovo Institute of Science and Technology (Skoltech)·JournalmBio·DateApr 11, 2020