The discovery, gleaned from observations of volcanoes on four continents, could help constrain models of volcanic eruptions.
Geochemistry
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The Galápagos Islands: The Ultimate Outdoor Soil Science Laboratory
A new study has spurred further research into the impacts of soil formation on modern-day problems like heavy metal contamination in agricultural soils.
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Geochemical Data from Polynesian Artifacts Pack Pofatu Database
A new resource may help match artifacts with their original stone sources—“a really a niche part of archaeology that requires geological expertise.”
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Iodine-Laden Desert Dust Is Eating at Ozone Pollution
In a happy accident, scientists found a potential solution to an atmospheric chemistry mystery. Their findings could be a missing piece in the iodine cycle and in atmospheric models.
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Innovators Tackle Toxic “Forever Chemicals”
New technologies seek to remove and destroy dangerous PFAS chemicals in contaminated water.
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Oxygen Levels Measured in a Lung of the Deep Ocean
The Labrador Sea “inhales” oxygen and supplies it to deep-sea life across the world. But its breath could be threatened by climate change.
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Tecnología de punta, serendipia y los secretos del Stonehenge
El primer análisis exhaustivo de lo qué están hechas las piedras sarsen se produjo con nueva tecnología y buena suerte a la antigua.
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Good News: Rocks Crack Under Pressure from Mineral CO2 Storage
When carbon mineralizes in stone, each new fracture exposes more surfaces that can react with and trap CO2, enhancing a rock’s storage capacity.
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A New Explanation for Organics on a Mars Rock That Fell to Earth
Organic molecules on a Martian meteorite have fueled nearly 30 years of scientific debate. New evidence suggests they were formed by Martian processes, offering more support for a once habitable environment on the Red Planet.
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What Conditions Accompanied the Late Ordovician Mass Extinction?
The second-largest mass extinction in Earth’s history took place in a period of stresses from non-sulfidic anoxia in shelf areas, together with glacioeustatic sea-level change and climatic cooling.