Tidal heating may have raised the surface temperature of early Earth and triggered global volcanism, a new study says.
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Did Volcanoes Accelerate the Fall of Chinese Dynasties?
After analyzing ice cores and historical documents, researchers found a link between eruptions and political change in China over the past 2 millennia.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.