A new study of seafloor sediments suggests reactions in the atmosphere convert dust-borne iron into forms more readily taken up by phytoplankton.
biogeochemistry
Posted inNews
Microbe Preferences Drive Ocean Carbon Pump
New research offers insight into how certain bacteria degrade organic matter in Earth’s oceans.
Posted inNews
Labor Day Dips Alter Stream Composition
Holiday weekend tubing introduces toxic chemicals and shifts microbial communities in a popular Colorado river.
Posted inNews
Clays May Have Slowed Earth’s Recovery After the Great Dying
Without tiny marine organisms using silica for shells, Earth’s oceans generated more clay, released more carbon dioxide, and kept Earth warmer for longer.
Posted inNews
Corals Are Simplistic When Conditions Are Acidic
Increasing ocean acidity could spell trouble for fish that depend on corals’ many branches for protection.
Posted inNews
Red-Light-Loving Bacteria Could Expand the Search for Life
Scientists are uncovering genes responsible for oxygenic photosynthesis in cyanobacteria to shift the search for potentially habitable worlds.
Posted inNews
Chemodiversity Could Indicate Freshwater Ecosystem Health
High-resolution mass spectrometry provides innovative analyses of dissolved organic matter.
Posted inResearch Spotlights
Anthropocene Activities Dramatically Alter Deep Underground Fluid Flux
Scientists call for improved understanding of how our influence on deep subsurface fluids and microbes might affect the larger Earth system.
Posted inEditors' Highlights
When It Rains, It Pours!
Water that falls on a forest canopy during rainfall events reaches the ground at focused locations called “pour points”. This insight has a major impact on how we view hydrologic processes on the ground.
Posted inEditors' Highlights
When You’re a Wet(land), You’re A Wet(land) All the Way
Wetlands and their methane emissions require careful consideration for incorporation in Earth system models with many advances made over the past 30 years.