Iron isotopes show that salty seawater pockets beneath the ice were as cold as −15°C.
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A Mid-Ocean Ridge in the Norwegian Sea Pumps Out Hydrogen
Vent fluids collected from the Knipovich Ridge contain unexpectedly high concentrations of hydrogen, potentially produced by the degradation of organic matter.
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Nationwide Soil Microbiome Mapping Project Connects Students and Scientists
Researchers and students are building a comprehensive picture of the microbial life beneath our feet.
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Coral Diversity Drops as Ocean Acidifies
As seawater becomes steadily more acidic, complex branching corals die off and are replaced with hard boulder corals and algae.
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How the Rise of a Salty Blob Led to the Fall of the Last Ice Age
Scientists have long suspected that high salinity levels in the deep ocean were responsible for keeping carbon dioxide locked away during the last ice age. New research finds the strongest evidence yet.
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Alligators May Boost Carbon Storage in Coastal Wetlands
Research suggests that American alligators help coastal wetlands retain more carbon, linking predator recovery in the southeastern United States to ecosystem function and climate processes.
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Insights for Making Quick Clay Landslides Less Quick
In a quick clay landslide, solid soil liquefies suddenly, sometimes washing over entire towns. New modeling examines what kinds of salts could help stabilize these clays.
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As Some Soils Warm, Microbes Stockpile Essential Nutrients
A study in Iceland found that microbes are hoarding more nitrogen for themselves, altering nutrient cycling and leaving less for plants.
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Wildfire Smoke Linked to 17,000 Strokes Annually in the United States
A study of 25 million Medicare participants adds to a body of evidence suggesting that prolonged exposure to wildfire smoke is more harmful to human health than other forms of air pollution.
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Rocks Formed by Microbes Absorb Carbon Day and Night
Microbialite ecosystems in South Africa stored an “astonishing” amount of carbon, according to new research.