BONCAT, a new type of amino acid tagging, highlights and categorizes active soil microbes in situ.
Geochemistry
Posted inNews
The Jail That Keeps Oxygen in the Air
Oxygen shouldn’t be in the air we breathe. But it is, and the reason why is almost criminal.
Posted inEditors' Highlights
Revealing the Arctic Crust
A new model, ArcCRUST, reveals with unprecedent resolution the geometry and the thermal state of the oceanic crust of the High Arctic and Circum-Arctic domain.
Posted inNews
Alexander R. “Mac” McBirney (1924–2019)
This former West Point graduate and coffee grower transformed igneous petrology and volcanology.
Posted inOpinions
Uncontrolled Chemical Releases: A Silent, Growing Threat
Uncontrolled releases of household, industrial, and agricultural chemicals during natural disasters pose an underappreciated hazard to humans and ecosystems. Here’s what we can do.
Posted inNews
Chemical Patterns May Predict Stars That Host Giant Planets
Stars with giant planets tend to have a few key elements in abundance. A new algorithm used these patterns to predict hundreds of stars that will likely have exoplanets if we go looking for them.
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 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.