biogeochemistry

Scientists in Canada trace how aquatic communities change as Quebec’s Romaine River flows into the sea.

Researchers report chemical and molecular signatures of microbial activity from millions of years ago in mineral samples from abandoned mines in Sweden and nearby countries.

Biological production of this greenhouse gas, once thought to be the reserve of anaerobic microbes, occurs in these widespread, photosynthesizing cyanobacteria.

The chemical process may make the metal more soluble and move it closer to the Earth’s surface.

An analysis of organic material from 500-million-year-old fossils upholds the theory that the mysterious creatures were early forms of animal life.

Researchers also found seasonal variations in atmospheric methane on the planet that may have a geological or biological origin.  

Viruses are responsible for the majority of archaea deaths on the deep ocean floors, scientists show.

Bacteria play an important role in cycling naturally occurring platinum group metals, scientists show.

It’s been decades since researchers confirmed the presence of gold in plants, but biogeochemical prospecting has yet to catch on.

Researchers find remarkably active bacteria in the Mariana Trench, where they live under pressure 1,000 times greater than at the surface.

Grasshoppers in fear of predation die with less nitrogen in their bodies than unstressed grasshoppers, which can affect soil ecology.