There’s a saying in mine country, the kind that sometimes shows up on bumper stickers: “If it can’t be grown, it has to be mined.” Before mining can ever start, though, there has to be ore in the ...

Humic acid (HA) is a macromolecular organic substance which is widely used in agriculture, forestry, animal husbandry, chemical industry, building materials, medicine, environmental protection, and a ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...