(PhysOrg.com) -- Pompeii-like, a 300-million-year-old tropical forest was preserved in ash when a volcano erupted in what is today northern China. A new study by University of Pennsylvania paleobotanist Hermann Pfefferkorn ...
Earth Sciences
Feb 20, 2012
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About 250 million years about 95 per cent of life was wiped out in the sea and 70 per cent on land. Researchers at the University of Calgary believe they have discovered evidence to support massive volcanic eruptions burnt ...
Earth Sciences
Jan 23, 2011
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Everyone knows that burning coal causes air pollution that is harmful to the climate and human health. But the ash left over can often be harmful as well.
Environment
Jun 6, 2023
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An analysis of sediments from five North Carolina lakes near coal-burning power plants has found that coal ash pollution of surface waters has been more persistent and widespread than was previously known.
Environment
Oct 3, 2022
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In one of nature's unexpected bounties, a harmless food-grade solvent has been used to extract highly sought rare-earth metals from coal ash, reducing the amount of ash without damaging the environment and at the same time ...
Materials Science
Oct 25, 2021
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206
Scientists at Duke University have developed a suite of four new tests that can be used to detect coal ash contamination in soil with unprecedented sensitivity.
Environment
Jul 22, 2021
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Inhaling dust that contains fly ash particles from coal combustion has been linked to lung and heart disease, cancer, nervous system disorders and other ill effects.
Environment
Oct 22, 2019
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A trio of researchers from the King Abdullah University of Science and Technology, the University of the Witwatersrand and Geosyntec has published a Perspectives piece in the journal Science. Carlos Santamarina, Luis Torres-Cruz ...
A Duke University study shows that trace elements in a fish's ear bones can be used to identify and track coal ash contamination in the waters where it lived.
Environment
Dec 26, 2018
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Rice University engineers have developed a composite binder made primarily of fly ash, a byproduct of coal-fired power plants, that can replace Portland cement in concrete.
Materials Science
Jun 18, 2018
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