A new study using seawater chemistry compares the status of the iconic reef before and after a bleaching event.
geochemistry
Posted inEditors' Highlights
Crystals Connect Bubbles in Explosive Magmas
Hydrous silica-rich magmas can degas through connected bubble pathways when as little as 20% crystals are present, influencing transitions from explosive, Vulcanian-style eruptions to lava effusion.
Posted inResearch Spotlights
A Look at How Long-Banned PCBs Persist in the Ocean
A new study tracks how climatic factors like sea ice cover and ocean circulation affect the life span and distribution of polychlorinated biphenyls in the world’s oceans.
Posted inResearch Spotlights
Water, Water Everywhere—But How Much H2O?
A new study quantifies the abundance of single and bonded H2O molecules in the ocean.
Posted inResearch Spotlights
Understanding Stream Metabolism with Reactive Tracers
When the blue dye resazurin encounters living microorganisms, it transforms into fluorescent pink resorufin and helps scientists understand ecosystem respiration, but it has its limitations.
Posted inResearch Spotlights
Old Idea Spurs New Research into Origins of Carbonate Mudstones
Using modern techniques, scientists tested an old hypothesis about carbonate mud production to shift the thinking about rocks that are used as seawater archives and a source of petroleum.
Posted inResearch Spotlights
How Mars Lost Steam
Solar winds are not the main culprit in stripping the planet’s atmosphere, a new study suggests.
Posted inFeatures
Isotope Geochemists Glimpse Earth’s Impenetrable Interior
Painstaking measurements of isotopes and their relative abundance in rocks have illuminated the hidden inner Earth and our planet’s origins and shadowy past for much of the preceding century.
Posted inEditors' Vox
Unravelling the Past Using Elements and Isotopes
A new book explores chemostratigraphy, a fascinating and relatively young branch of geoscience, presenting the latest developments and applications.
Posted inResearch Spotlights
Researchers Bring Early Martian Water Chemistry to Life
Lab experiments constrain conditions necessary for a key mineral to have formed in ancient lagoons and a crater lake.