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An illustration showing a cross section of Earth
Posted inResearch Spotlights

Iron Is at the Core of This Earth Science Debate

by Aaron Sidder 10 March 202320 March 2023

A new study investigates iron’s form at the planet’s interior. The findings have repercussions for understanding the inner core’s structure.

A scientific instrument being lowered from a research vessel into the ocean
Posted inNews

Deep-Sea Pressure Crushes Carbon Cycling

by Elise Cutts 11 January 202331 January 2023

The extreme pressure in the deep sea stifles microbes’ appetite for organic carbon. This finding could have important implications for carbon budgets and geoengineering.

A photo of a hurricane from space.
Posted inEditors' Highlights

What is the Best Predictor of Landfalling Hurricane Damage?

by Jonathan Zawislak 21 October 202218 October 2022

A new study finds that the minimum sea level pressure, as another measure of hurricane strength, is a better predictor of hurricane damage in the United States than the maximum sustained wind speed.

A wide and flat rock sample with a gray exterior sits on a lighter gray background. Green crystals inside the rock are exposed on the side of the rock facing forward. The crystals are small and uniform in size and light green to dark green in shade.
Posted inNews

Good News: Rocks Crack Under Pressure from Mineral CO2 Storage

by Kimberly M. S. Cartier 3 February 202222 September 2022

When carbon mineralizes in stone, each new fracture exposes more surfaces that can react with and trap CO2, enhancing a rock’s storage capacity.

Mount Etna, a stratovolcano, sits in front of an ashy night sky. Lava erupts from and flows down the volcano, and ash and gas billow up from a vent behind the peak and make the sky glow orange. A few star trails appear in the upper right corner.
Posted inNews

Etna Under Pressure: Does Gas Buildup Foreshadow Eruption?

by Kimberly M. S. Cartier 15 September 202119 August 2022

Pressure from both magma and gas can trigger eruptions. Monitoring degassing can help predict eruptions but only if the magma system is well understood first.

Tiendas de campaña debajo de la cima con nieve del Everest.
Posted inNews

El Monte Everest a veces puede sentirse más bajo que el K2

by Katherine Kornei 16 March 202119 August 2022

Las variaciones de la presión atmosférica en la cima del Everest afectan a la disponibilidad de oxígeno, modificando la percepción de la elevación de la cumbre unos cientos de metros.

Tents below the snow-capped summit of Mount Everest
Posted inNews

Mount Everest Can Sometimes Feel Lower Than K2

by Katherine Kornei 22 December 202019 August 2022

Variations in air pressure on the top of Mount Everest affect oxygen availability, changing the perceived elevation of the summit by hundreds of meters.

Image of part of Mars showing the planet’s atmosphere on the horizon
Posted inResearch Spotlights

Capturing Heat-Driven Atmospheric Tides on Mars

by Sarah Stanley 13 October 202023 September 2022

Spacecraft observations and model simulations provide new insights into tidal patterns that transport momentum and energy into the planet’s upper atmosphere.

Two diamonds in the shape of a diamond anvil cell
Posted inAGU News

A Dive into the Deep Earth

by Heather Goss 24 June 202030 November 2022

In July, Eos looks at the incredible capabilities scientists have developed to recreate the enormous pressures and temperatures that exist far below the planet’s surface.

A green laser beam streams between two parts of a cylindrical instrument.
Posted inFeatures

Earth’s Core Is in the Hot Seat

by Jenessa Duncombe 24 June 202019 August 2022

How old is Earth’s inner core? High-pressure and high-temperature experiments suggest that our planet’s inner furnace may be much younger than expected.

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By Rachel Fritts

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By Sarah Kang

EDITORS' VOX
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“Rare and Revealing: Radiocarbon in Service of Paleoceanography”
By Luke C. Skinner and Edouard Bard

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