Iron isotopes show that salty seawater pockets beneath the ice were as cold as −15°C.
climate
Posted inNews
Nationwide Soil Microbiome Mapping Project Connects Students and Scientists
Researchers and students are building a comprehensive picture of the microbial life beneath our feet.
Posted inNews
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.
Posted inNews
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.
Posted inResearch Spotlights
Our Ocean’s “Natural Antacids” Act Faster Than We Thought
New evidence from New Zealand suggests that calcium carbonate dissolution occurs not just over millennial timescales, but over annual and decadal ones too.
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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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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.
Posted inEditors' Highlights
Cows, Coal, and Chemistry: The Role of Photochemistry in Methane Budget
Recent increases in atmospheric methane are a result of changing natural and manmade sources, climate, and other less-understood factors linked to its role in the atmosphere’s self-cleaning mechanisms.
Posted inNews
Why Are River Deltas Disappearing? They’re Sinking Faster Than Many People Realize
It’s not just that sea levels are rising. Scientists believe fossil fuel extraction and river engineering are also factors behind coastline disappearance.
Posted inResearch & Developments
We Are “Living Beyond Our Hydrological Means,” UN Report Warns
Humanity has overspent and depleted freshwater in the world’s aquifers, glaciers, wetlands, and other natural reservoirs to an irreversible degree, according to a new United Nations report.