A new method that adds synthetic iron minerals to soils sheds light on hard-to-observe soil and sediment processes and may have a host of other applications in the Earth sciences and beyond.
iron
Posted inNews
Iron Emissions Are Shifting a North Pacific Plankton Bloom
Some of the iron emitted by industrial activity in East Asia is carried by winds into the North Pacific, where it nourishes iron-hungry phytoplankton.
Posted inEditors' Highlights
Seasonal Iron Cycle and Production in the Subantarctic Southern Ocean
Long-term monitoring at a site in the subantarctic region south of Australia combined with ship-based observations reveals three distinct phases between cycles of phytoplankton productivity and dissolved iron.
Posted inAGU News
A Planetary Perturbation Like No Other
Scientists are tackling “the most profound questions about life itself” with complex computer modeling, billion-year-old bacteria, and old-fashioned fieldwork.
Posted inNews
Bacteria Battled for Iron in Earth’s Early Oceans
Billions of years ago, iron-oxidizing microbes may have competed for dissolved iron in the ocean, with some strains producing toxic gases that smothered their rivals.
Posted inEditors' Highlights
The Future of Martian Paleomagnetism
Samples collected by the Perseverance Rover have great potential for providing insights into the history of Mars’ magnetic field.
Posted inNews
Saharan Dust Carries Iron That Feeds Life in the Distant Ocean
A new study of seafloor sediments suggests reactions in the atmosphere convert dust-borne iron into forms more readily taken up by phytoplankton.
Posted inNews
Iron-Rich Volcanoes Hold Hidden Rare Earth Element Reserves
Experiments show how concentrations of rare earth elements, critical to the green energy transition, might be hiding in plain sight in iron-rich deposits around the world.
Posted inResearch Spotlights
Microbes Likely Form Magnetite in the South China Sea
Researchers sampled sediment cores and found that where magnetite was abundant, methane-producing bacteria were as well.