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Recycled calcium carbonate is an efficient oxidation agent under deep upper mantle conditions
Ca carbonate transported by subducting slabs could explain elevated ferric iron content in the upper mantle through redox reactions with Fe3+ garnet and graphite as products, according to high-pressure, high-temperature experiments.
More detail at https://www.nature.com/articles/s43247-021-00116-8.
How aerosols form when the molecule that smells like electricity reacts with the molecule that smells like pine trees
The oxidation of volatile organic compounds is a major contributor to atmospheric aerosol, which affects climate and health. The α-pinene and ozone system is particularly efficient in this regard, but how exactly do these two molecules lead to aerosol?
A Chain of Squares Leads to a Recyclable Plastic
What happens to materials when they are built from squares?
