Different soils around the planet turn hidden nitrogen into plant food at very different speeds. Scientists wanted to know what controls this speed—especially the roles played by microscopic life and human farming. They checked records from more than 2, 400 soil tests spread across 373 studies. Inst
Every year, factories and farms produce huge piles of leftovers that don’t just disappear. Factories leave behind ash from burning coal, while farms generate liquid manure that needs careful handling. Instead of letting both become pollution, scientists wondered if one could clean up the other. Coal
Soil pollution is a big deal, and nickel is one of those tricky metals that can cause problems. Scientists have been looking into how to manage nickel better in the soil. One interesting solution? Bauxite residue, also known as "red mud. " This stuff is a leftover from aluminum production, and there
