After analyzing ice cores and historical documents, researchers found a link between eruptions and political change in China over the past 2 millennia.
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Biocrust “Probiotics” Can Aid Dryland Restoration Efforts
Bacteria can speed up the growth of biocrust-forming organisms in nurseries, providing more material for restoration of degraded dryland soil.
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Mapping Teotihuacan’s Past, Present, and Future
A new lidar project reveals how mining and urban expansion have put one of Mexico’s most iconic cultural heritage sites at risk.
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Clever Wood Use Could Mitigate Wildfires and Climate Change
California plans to use forest thinning to reduce wildfire risk. New research suggests the state could also see a climate benefit by repurposing waste wood produced by thinning.
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“Sticky” Ice Sheets May Have Led to More Intense Glacial Cycles
New research attributes a shift to longer, stronger glacial cycles to increased friction between ice sheets and bedrock in the Northern Hemisphere 1 million years ago.
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Sediments Suggest Vikings May Have Been the First to Settle the Azores
A multidisciplinary team studying lake sediments and climate change found evidence that the archipelago was inhabited 700 years earlier than historical sources claim.
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Termite Fumigation in California Is Fueling the Rise of a Rare Greenhouse Gas
The insecticide sulfuryl fluoride isn’t included in federal or state emissions reduction goals.
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The Best of Eos 2021
What Earth and space science stories stood out this year, and what are we looking forward to in 2022?
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Diamond Discovery Unearths Secrets of the Deep
A diamond inclusion has revealed a new mineral, davemaoite, as well as hints about the workings of our planet’s interior.
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Satellites Spy on Sand Mining in the Mekong
Concrete, used in everything from streets to skyscrapers, needs sand, often mined from active rivers in developing countries with little oversight. Researchers can now use satellites to keep watch.