Researchers studied ancient iron-oxidizing bacteria to understand their role in Earth's early iron formations. The study found that nitrate-reducing bacteria produced toxic nitrogen monoxide, ...

Nitrate-reducing bacteria (Pseudomonas fluorescens and Alcaligenes sp.) as well as extracellular compounds from these bacteria increased the dissolution rate of iron and phosphorus sorbed to iron ...

Humans have been building with wood since time immemorial. Although it’s not as sturdy as concrete or steel, it’s more sustainable, and scientists are working on improving its properties so that it ...

Private well owners should test water quality annually, according to a recent study that revealed nitrate levels in shallow wells above US Environment Protection Act standards. Private well owners ...

Discharge of toxic elements from industries and landfills and diffused sources of pollution like fertilisers and pesticides over the years has resulted in high levels of contamination of groundwater ...