Behind the Paper
The real stories behind the latest research papers, from conception to publication, the highs and the lows
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.
Citizen science for SDG 11 in African cities
Cities are increasingly recognized in global development policy agendas as key to sustainable development. However, there is surprisingly little data available to inform the kind of decisions that would make cities more inclusive, safe, resilient and sustainable (Sustainable Development Goal 11).